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Status	Last Update	Fields
Published	02/02/2025	A multi-stage refrigeration system which is realizable in using different refrigerants
Published	02/02/2025	If Ev is the volumetric efficiency of a reciprocating pump, then determine SLIP which represents all losses of capacity given in percentage of the dis…
Published	02/02/2025	What is the relative humidity when the dew point and dry bulb temperature are equal?
Published	02/02/2025	If the pressure is disregarded in the various other components of a steam of gas power plants, the pressure rise in the pump or compressor is ________…
Published	02/02/2025	What is the effect on saturated temperature if the pressure of the fluid is decreased?
Published	02/02/2025	What is the least number of compressor a multistage system that will use?
Published	02/02/2025	Aside from maintaining appropriate temperature for food cold storage, how is desiccation minimized or decreased?
Published	02/02/2025	The flow of the convergent section of a nozzle is always subsonic. If the flow is subsonic then the mach number is:
Published	02/02/2025	Based on the PSME Code, what should be the effective temperature of the air to be maintained for comfort cooling at an air movement from 0.0761 to 0.1…
Published	02/02/2025	What is the relationship of the horsepower of a centrifugal pump, Hp, to the impeller speed, S, if the pump is at two different rotative speeds?
Published	02/02/2025	In order to remove the fly ashes from the flue gas, which of the following must a power plant be equipped with?
Published	02/02/2025	Which of the following is a type of evaporator?
Published	02/02/2025	For a hydraulic power to be transmitted at its maximum what should be the value of loss due to friction if H is the total available head?
Published	02/02/2025	What do we call a device that is used to boiler operation that will stop the burner or at least send a signal to the operator if the water drops to a …
Published	02/02/2025	At ordinary temperature what substance will behave as inert gas and will not react in the combustion process?
Published	02/02/2025	What does fossil-fuel fired power plants release, which in turn produces the key ingredient in acid rain?
Published	02/02/2025	What is the relationship of the capacity of a centrifugal pump, Q, to impeller diameter, D, when there are two impeller diameters in the same pump?
Published	02/02/2025	The ratio of the average load to that of the rated capacity of a plant is called:
Published	02/02/2025	What is the heat that is removed from the space to be cooled, which is the same as the heat absorbed by the cooling soils
Published	02/02/2025	One hundred twenty percent theoretical air was supplied for combustion. What is the equivalent excess equal to:
Published	02/02/2025	The fraction of the radiation energy incident on a surface which is absorbed by the surface is called:
Published	02/02/2025	As far as combustion chamber design is considered, the maximum power output of a given engine can be increased by:
Published	02/02/2025	A valve that releases steam from the boiler by opening at a predetermined pressure in order to keep the steam pressure from rising more than the press…
Published	02/02/2025	What does enthalpy measure in a substance?
Published	02/02/2025	For Brayton Cycle, the result of regeneration is:
Published	02/02/2025	Which of the following is converted to mechanical energy by a water.
Published	02/02/2025	What is the specific gravity of an oil which has a Baume reading g of 28 degrees F?
Published	02/02/2025	When vapor compression takes place on one side of the piston and one during one revolution of the crankshaft, then the compressor is:
Published	02/02/2025	If ice will form in a solution of water and salt, then it is at a temperature called:
Published	02/02/2025	If m is the mass of dry air and H is the specific enthalpy of the water vapor in air and r is the humidity ratio, then determine the latent heat of a…
Published	02/02/2025	Based on the PSME Code, what should be the humidity of air to be used for comfort cooling?
Published	02/02/2025	The size of a reciprocating pump is stamped on the builder's plate 3 x 4" x 6". The diameter of the liquid cylinder is:"
Published	02/02/2025	Water is heated in a container. It expands and becomes less dense and lighter. It rises up the container because of its reduced density and replaced b…
Published	02/02/2025	For steam power plants, increasing the operating pressure of the boiler will:
Published	02/02/2025	What is likely to occur when sections of the impeller of a centrifugal pump are handling vapor and other sections are handling liquid?
Published	02/02/2025	The freezing point of R - 22 is:
Published	02/02/2025	In Stirling and Erickson Cycle, the efficiency can be increased by:
Published	02/02/2025	The relation between the Farenheit absolute scale and the Celsius absolute is:
Published	02/02/2025	Based on the PSME Code, what should be provided in each stream outlets if two or more boilers will be connected in parallel?
Published	02/02/2025	Reheating process is normally employed in steam plane when:
Published	02/02/2025	In order to attain equilibrium in the container, the cooling tower range must be __________ with respect to temperature rise in the condenser.
Published	02/02/2025	What must be the value of the available Net Positive Suction Head (NPSH) of a centrifugal pump compared to its require NPSH to avoid losing priming?
Published	02/02/2025	Where does the final removal of water vapor in an absorption refrigeration system occur?
Published	02/02/2025	Ice cubes added to a glass of water and stirred. Moisture starts to form on the outer surface of the glass. At his point, what is the temperature at t…
Published	02/02/2025	If the air is compressed without discarding heat, then what do you call this kind of compression?
Published	02/02/2025	Which of the following power plants uses energy from uranium to produce electric power?
Published	02/02/2025	One foot water is equal to:
Published	02/02/2025	If C us the capacity of the compressor in a refrigeration system and F is the heat rejection factor, then calculate the condenser load, L.
Published	02/02/2025	The schedule number of a pipe, N, indicates the thickness of the pipe wall. If the allowable stress of the pipe is S, then what is the internal pressu…
Published	02/02/2025	In order to perform efficiency, a power cycle must be communicated with the outside temperature of its surroundings and into one is called:
Published	02/02/2025	It is important to take some moisture from the air to dehumidify it if the relative humidity reaches high levels. To do this, it requires cooling the …
Published	02/02/2025	An air conditioning system in which water is chilled or cooled and which passes the evaporator coils.
Published	02/02/2025	What type of fuel is used with stationary power plants where gas is available by pipeline?
Published	02/02/2025	If Et is the total net energy generated by a plant in a certain period of time and Er is the rated net energy capacity of the plant during the same pe…
Published	02/02/2025	What is happen when the pressure at any point inside a centrifugal pump goes below the vapor pressure corresponding to the temperature of the liquid?
Published	02/02/2025	Which of the following cycles is ideal for spark-ignition reciprocating engine?
Published	02/02/2025	When there is no work between the thermodynamic system and its surroundings, the quantity of net heat transfer is equal to:
Published	02/02/2025	If W is the work output of a heat engine and H is the total heat input of an engine, then determine its thermal efficiency, e.
Published	02/02/2025	What is the significance of a high dielectric strength of lubricating oil?
Published	02/02/2025	In a power driven pump, each piston stroke is displaced by 360 degrees divided the _______.
Published	02/02/2025	Dry analysis is a fractional analysis of the products of a combustion which does not include:
Published	02/02/2025	There are three basic boiler types, namely:
Published	02/02/2025	When an electric motor nameplate indicates a 100-kW electric motor" then what does a 100-kW rating refers to? "
Published	02/02/2025	The force when applied to a mass of one kilogram will give mass an acceleration of one meter per second for every second called:
Published	02/02/2025	If Wt is the turbine shaft work of a gas turbine unit, Wc is its compressor shaft work and Q is the heat supplied in duel, then determine its thermal …
Published	02/02/2025	The constant spending of certain percentage of circulated water in a cooling tower in order to prevent accumulation of dissolved solids and other impu…
Published	02/02/2025	If R is the delivery rate of a pump, H is the total pumping head and e is the efficiency of the pump, then compute the power required to drive the pum…
Published	02/02/2025	If a gas posses internal energy, then it is due to its:
Published	02/02/2025	What process is employed when the turbine steam power plants experience excessive moisture?
Published	02/02/2025	A refrigeration control that guards the compressor form overloads brought about by abruptly increases loads resulting from defrosting, warm products a…
Published	02/02/2025	What is the temperature of lubricant at which it will ignite this limits its application
Published	02/02/2025	The Diesel cycle is the ideal cycle for a:
Published	02/02/2025	A company is interested to produced a water turbine wherein only little energy is required or necessary because the guide vanes are to be controlled. …
Published	02/02/2025	What does negative Joule-Thompson coefficient means during a throttling process?
Published	02/02/2025	What is the pressure present inside the casing of an impulse turbine?
Published	02/02/2025	What is the cause of pressure drop in the boiler, condenser and the pipings between different components? Because of this drop, steam leaving the boil…
Published	02/02/2025	During combustion process, only limited air is supplied and not enough to supply two molecule of oxygen per one molecule of carbon, then the product i…
Published	02/02/2025	A pump with capacity Q1 and head H1 is connected in series with another pump with capacity Q2 and head H2. What is the head developed if Q2 is less th…
Published	02/02/2025	If V3 is the cylinder volume after the combustion process of a Diesel cycle and V2 is its cylinder volume before combustion, then calculate the cut-of…
Published	02/02/2025	Pneumatic tools are powered by:
Published	02/02/2025	A water conservation device which employs both air and water is considered a condenser and cooling tower combined into one is called:
Published	02/02/2025	If the average temperature of liquid of power cycle during heat addition process is as high as possible, then the thermal efficiency of the cycle will…
Published	02/02/2025	Theoretically, what is the effect of the compressor clearance on horsepower?
Published	02/02/2025	What is the method used to evaluate all welds performed on pressure parts of boiler tube materials?
Published	02/02/2025	If a Carnot cycle is at the same maximum and minimum temperatures as a Rankine Cycle, then how would you compare the efficiency of a Rankine cycle to …
Published	02/02/2025	The sum of the internal energy and the product of pressure and specific volume is known as the:
Published	02/02/2025	Very large pipe diameter means a thicker wall and high cost. It also means
Published	02/02/2025	The ratio of the average load during a certain time to peak the load occurring during the same period of the time is called:
Published	02/02/2025	If the pressure exerted on a liquid is higher than the saturation corresponding to its temperature, the liquid is a:
Published	02/02/2025	Which of the following is used to control refrigeration compressor capacity?
Published	02/02/2025	Compare the refrigerating effect per unit mass of refrigerant circulated for a superheated cycle that produces useful cooling and a saturated cycle, f…
Published	02/02/2025	Compute the wall gain load of a load storage room when A is the outside surface area of the wall, D is the temperature differential across the wall, a…
Published	02/02/2025	During a cooling and dehumidifying process, sensible and latent heat are removed in the cooling coil. If Hs is the sensible heat and Ht is the total h…
Published	02/02/2025	If Hs is the total suction head of a pump, HP is its suction surface pressure, and Hf is its suction friction head, then calculate the total suction h…
Published	02/02/2025	What is the saturation pressure at the critical temperatures, or the lowest pressure in which a substance can be in the liquid state at its critical p…
Published	02/02/2025	The kinetic energy of a moving fluid is used to isentropically compressed the fluid to state of zero velocity. The temperature of a moving fluid at th…
Published	02/02/2025	The dew point temperature of the products of combustion in the saturation temperature that corresponds to the partial pressures of the ________ in the…
Published	02/02/2025	When required, a regulator water valve in refrigerating system should be
Published	02/02/2025	The amount of heat necessary to bring up the temperature of a unit mass of a substance through a unit degree is called:
Published	02/02/2025	If Pi is the indicated horsepower and Pb is the indicated horsepower of a compressor, then what is mechanical efficiency, Em, equal to:
Published	02/02/2025	A water-tube condenser has a total of 60 tubes. If these are two passes, then compute the number of tubes per pass.
Published	02/02/2025	The pressure of ammonia was detected in brine solution. How can ammonia be removed?
Published	02/02/2025	What do you call the level stress that the part will be permitted to see under operating conditions
Published	02/02/2025	How do you hold the grashof four-bar mechanism in which the shortest link is the frame or fixed link and the other two cranks completely rotate with t…
Published	02/02/2025	Which of the following is a drive to be used for a constant velocity rate of positive drive with large center distance between the driver and the driv…
Published	02/02/2025	In the color coding of pipe the color for a pipeline of water is
Published	02/02/2025	in the color coding of pipe the color for pipeline of steam is
Published	02/02/2025	bifilar suspension is used to find
Published	02/02/2025	What is the minimum length of contract in tapped hole for cast iron
Published	02/02/2025	Which of the following hardness tests that predicts the tensile strength of mild steel specimen
Published	02/02/2025	How do you call the speed at which resonance will occur
Published	02/02/2025	How do you call the radia I l distance from the top of a tooth to the bottom of another tooth a gear
Published	02/02/2025	Which of the following G codes refers to rapid traverse in CNC machining
Published	02/02/2025	The principal raw materials used in steelmaking are iron ore coal and
Published	02/02/2025	which of the following best describes a slider crank chain as a four bar linkage
Published	02/02/2025	Trifilar suspension is used to find
Published	02/02/2025	How do you call the smallest circle drawn to the pitched curve From the center of rotation of the cam
Published	02/02/2025	Which of the following conditions for a column where buckling load is maximum
Published	02/02/2025	In a 6x31 IWRC wire rope the number 6 indicates
Published	02/02/2025	Which of the following is the governor used to drive a gramophone
Published	02/02/2025	Which of the following is are assumptions made in Euler's column theory
Published	02/02/2025	The statistical data used to identify the most likely failure mode is
Published	02/02/2025	The color for a pipeline of electricity in the color coding of pipelines
Published	02/02/2025	It is the inherent property of a body that offers reluctance to change its state at rest or uniform in motion
Published	02/02/2025	thanks for calling how do you call the CAM by which the follower Reciprocates Or oscillates in a plane parallel to that of its axis
Published	02/02/2025	if the radius of the base circle increases what will happen to the pressure angle of the cam
Published	02/02/2025	A theory which states that a part subjected to any combination of loads will fail by yielding or fracturing Whenever the maximum shear stress exceeds …
Published	02/02/2025	Clearance to a new boiler installation to the existing or old plant building should follow a minimum clearance of ________between top of the boiler pr…
Published	02/02/2025	It is the distance between similar equally spaced tooth surfaces in a given direction and along a given line
Published	02/02/2025	Which of the following is the most common work holding device of a shaper machine With a base graduated in degrees that make it possible to swivel and…
Published	02/02/2025	Which of the following m code commands is for tool change in CNC program
Published	02/02/2025	The relatives strength of a butt welding could be safety assumed as____________% efficiency
Published	02/02/2025	What is the efficiency of self-locking machine
Published	02/02/2025	How do you hold a material that is capable of absorbing a large amount of energy
Published	02/02/2025	For non Metallic Gaskets it has been found that they should have a certain minimum amount of compression as a_______ for certain cork gasket
Published	02/02/2025	Rule of Thumb in circulating the equipment foundation mass should be_________times the weight of the machinery It is supposed to support
Published	02/02/2025	The set of specifications for parts materials or process intended to achieve uniformity efficiency and pecified quality is called
Published	02/02/2025	for an evenly distributed and uniform wear on each matching gear to the ideal design practice is to consider
Published	02/02/2025	Which of the following is correct when a circular shaft is subjected to torsion only
Published	02/02/2025	What is the ratio of the original stress to Hoops stress for thin walled cylinder
Published	02/02/2025	An oil storage tank roof formed to approximately spherical surface supported only at its periphery
Published	02/02/2025	How do you call the capacity of materials to absorb energy upon loading even up to when it is deformed elastically
Published	02/02/2025	In the color coding of pipe the color for pipeline communication is
Published	02/02/2025	How do you call the phenomenon such that when a hot part is cooled suddenly by quenching there is momentarily a high temperature gradient that induces…
Published	02/02/2025	If V is the volume of metal in casting and A is its surface area then the time of solidification will be proportional to
Published	02/02/2025	Which of the following forms of rivet head is generally used for boiler plate riveting
Published	02/02/2025	For stable equipment foundation the total combined engine driven equipment and foundation center of gravity must be kept below the foundations too tha…
Published	02/02/2025	If the beach of a screw is 2/9 What is the thread per inch
Published	02/02/2025	Corresponding piping color coding for alkaline is
Published	02/02/2025	for split pulley or pulley made of separate section Bolted together at the rim the maximum speed Should be limited to about______% of the maximum spee…
Published	02/02/2025	How do you call the path generated by the trace point as the follower is rotated about a stationary cam
Published	02/02/2025	hooke's joint is used with between_______ of an automobiles
Published	02/02/2025	A petroleum by product used as an electrodes in an electric arc furnace melting operation
Published	02/02/2025	Which of the following is the mechanism that will produce intermittent rotary motion from continuous rotary motion
Published	02/02/2025	Which of the following affects most of the electrical and thermal properties of materials
Published	02/02/2025	In the color coding of pipe the color for a pipeline of air is
Published	02/02/2025	As a rule of thumb the depth of foundation could be about 3.2 to__________ times range in stroke
Published	02/02/2025	In clock mechanism which of the following is the gear train that is used to connect the minute hand to the hour hand
Published	02/02/2025	What is the shear force diagram in the bending moment diagram for a cantilever beam Having a concentrated load at the free end
Published	02/02/2025	Which of the following is the computational method used for solving complex shifts Such as those found in machinery Replaces the complex shape with a …
Published	02/02/2025	which column is Eulers formula applicable
Published	02/02/2025	The power transmitted by the belt will depend on which of the following
Published	02/02/2025	Which of the following gasket materials should avoid hot liquid steam applications
Published	02/02/2025	Of the following column formulas Which do you think is applicable to host iron columns
Published	02/02/2025	Which of the following is the representation on the mohr's circle for two mutually perpendicular principal stresses that are unequally but alike
Published	02/02/2025	It is the combination of applied normal and shear stresses That produced maximum principal normal stress or minimum principal normal stress with a 3rd…
Published	02/02/2025	the revetted joints in ASME code has a design surface compressive stress________ higher than the design tensile stress
Published	02/02/2025	The strain energy per unit volume required to stress a material from an unloaded state to the point of yielding is called
Published	02/02/2025	What is the maximum value of notch sensitive factor
Published	02/02/2025	Steering gear of an automobile is an example of
Published	02/02/2025	Which of the following is the theory used in the design of the shaft made of brittle materials
Published	02/02/2025	What is the measure of the change of a material that is subjected to a change in temperature
Published	02/02/2025	How do you call materials with the same elastic properties in all directions
Published	02/02/2025	For a planar four-bar linkage the sum of the shortest and longest lengths cannot be greater than the sum of the remaining 2 link lengths If there is t…
Published	02/02/2025	Which of the following is an example of a higher pair
Published	02/02/2025	A pressure vessel is considered to be thin if the ratio of thickness to inside diameter is
Published	02/02/2025	Which of the following structural members are designed to support loads perpendicular to its longitudinal axis
Published	02/02/2025	a single ply leather belt running at a belt velocity of 300 ft/min is likely to transmit_______ per inch of width
Published	02/02/2025	The set of specification for the analysis design manufacture and construction of something the purpose of which is to achieve a specific degree of saf…
Published	02/02/2025	Avoidance of vibration in equipment of machinery foundations a mass of weight equal to_________ times the force are needed
Published	02/02/2025	Which of the following G code commands is for dwell or tries in CNC programming
Published	02/02/2025	accident prevention is
Published	02/02/2025	How do you call the difference between maximum distance of the lowest point of the follower from the axis of rotation of the cam in the least radius
Published	02/02/2025	The flux that should be provided in soldering electrical connection are commutator wires as it tends to corrode the connections
Published	02/02/2025	What is the efficiency of reversible machine
Published	02/02/2025	What is the value of mechanical advantage for a four bar linkage in Toggle position
Published	02/02/2025	a cone formed by elements which are perpendicular to the elements of the pitch cone at the large end
Published	02/02/2025	what theory in cyclic and impact loading Which states that damage at any stress level is proportional to number of cycles
Published	02/02/2025	A swinging support constructed as part of the vessel and that supports the manway cover when it is unbolted and moved aside
Published	02/02/2025	What is the maximum efficiency of self-locking screw
Published	02/02/2025	how do you call the time taken by by breaking body the complete one cycle
Published	02/02/2025	It is also known as the study of lubrication friction and ware of moving or stationary parts
Published	02/02/2025	in rotating horizontal sharps when the shaft is rotating at a speed________of critical speed Then large vibrations will occur
Published	02/02/2025	Which of the following is used to change the direction of an applied tensile force
Published	02/02/2025	What do you call the exact theoretical size to which limits or deviations is assigned and is the same for both members of the fit
Published	02/02/2025	which of the following is the synergistc collection of machine elements? Synergistic because as a design it represents an idea or concept greater than…
Published	02/02/2025	how do you call a design approach where no catastrophic loss can occur as a result of a component failure
Published	02/02/2025	The color for pipe carrying fuel oil
Published	02/02/2025	What is the other term for the maximum shear stress theory
Published	02/02/2025	the load that is applied transversely to longitudinal axis of member is called the
Status	Last Update	Fields