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Published	02/02/2025	Which of the following statements about a path function is not true?
Published	02/02/2025	A constant volume combustion gas turbine operates on:
Published	02/02/2025	The bottom blow down on a boiler is used to _______.
Published	02/02/2025	which of the following is true for any process
Published	02/02/2025	which of the following is main reason for surface tension?
Published	02/02/2025	A type of refrigerant control typically used in household refrigeration
Published	02/02/2025	what is the use of a Hydraulic jump?
Published	02/02/2025	it is based on the generation of 34.5 lbm.hr of steam from water at 212 deg F to steam at 212 deg F and equivalent to 33,500 Btu/hr.
Published	02/02/2025	The viscosity of most commercially available petroleum lubricating oil changes rapidly above:
Published	02/02/2025	the ton of refrigeration is a heat unit equivalent to _______.
Published	02/02/2025	which of the following correctly define 1 K as per the internally accepted definition of temperature scale?
Published	02/02/2025	which of the following is NOT a control volume?
Published	02/02/2025	Caking coal are used to produce coke by heating in a coke oven in the absence of ________ with volatile matter driven off.
Published	02/02/2025	Slight glass is often located at ______.
Published	02/02/2025	which of the following statement is CORRECT for a throttling process?I. It is an adiabatic process II. There is no work transfer in the process III. E…
Published	02/02/2025	For the same heat input and same compression ratio;
Published	02/02/2025	change in internal energy in a reversible process occurring in a closed system is equal to the heat transferred, if the process occurs at constant ___…
Published	02/02/2025	Which of the following is one of the most popular types of compressor utilized for supercharging engine?
Published	02/02/2025	which of the following is a safety device on a compressor?
Published	02/02/2025	The sum of the energies of all the molecules in a system where energies appear in several complex forms is the _______.
Published	02/02/2025	which of the following is the thermodynamic property that remains constant in throttling process?
Published	02/02/2025	What is the suggested maximum permissible dose (MPD) of gamma ray exposure for general individuals not working in nuclear setting, by choice, in rem/y…
Published	02/02/2025	A Francis turbine has what flow?
Published	02/02/2025	A branch system of pipes to carry waste emission away from the piston chambers of an internal combustion engine is called _______.
Published	02/02/2025	at critical point, which of the following is the value of the latent enthalpy of vaporization?
Published	02/02/2025	a Francis turbine has what flow?
Published	02/02/2025	it is a device used for atomizing or cracking fuel oil and through which the fuel oil is injected into the working cylinders of Diesel engines.
Published	02/02/2025	For steady flow devices what happens to the volume of the control volume?
Published	02/02/2025	If an initial volume of an ideal gas is compressed to one - half its original volume and to twice its original temperature, the pressure
Published	02/02/2025	Foundations are preferably built of concrete in the proportion of what measure of Portland cement: sand: crushed stones?
Published	02/02/2025	It is also known as drum less boiler
Published	02/02/2025	A theoretical body which when heated to incandescence would emit continuous light-ray spectrum
Published	02/02/2025	When 1 mol carbon combines with 1 mol oxygen
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	the thermal efficiency of an ideal Otto cycle depends on _______.
Published	02/02/2025	A flash steam cycle can be used if the hot water temperature is approximately ________.
Published	02/02/2025	how do you call the locus of elevations to which water will rise in the piezometer tube?
Published	02/02/2025	It is the combination of base load and peaking load
Published	02/02/2025	For Brayton cycle, the result of regeneration is:
Published	02/02/2025	if the pressure of a gas is constant the volume is directly proportional to the absolute temperature
Published	02/02/2025	Which of the following cycle engine.al for spark-ignition reciprocating engine?
Published	02/02/2025	which of the following statement is CORRECT?
Published	02/02/2025	by subcooling the refrigerant in refrigeration system, the specific volume at compressor suction will ______.
Published	02/02/2025	When H2O in the products of combustion is in liquid form, the heating value is known as _____.
Published	02/02/2025	the viscosity of most commercially available petroleum lubricating oil changes rapidly above _______.
Published	02/02/2025	what do you call the liquid reaching the compressor through the suction?
Published	02/02/2025	what is the major constituent of all natural gases?
Published	02/02/2025	if two liquids at different temperatures are mixed, then the final temperature of the mixture of liquids can be obtained by using which of the followi…
Published	02/02/2025	Cascade refrigeration cycle os often used in industrial processes where objects must be cooled to temperature below ______.
Published	02/02/2025	If the temperature in the icebox is too high, which of the following could be the reason?
Published	02/02/2025	If Qa is the actual discharge flow Qb is the theoretical discharge flow, what will the coefficient of discharge be equal to during positive displaceme…
Published	02/02/2025	A heat exchange process wherein the product of pressure and volume remains constant called ________.
Published	02/02/2025	when a perfect gas enclosed in a cylinder piston device executes a reversible adiabatic expansion process, which of the following statement(s) is corr…
Published	02/02/2025	which of the following is(are) reversible process(es)?I. Isentropic expansion II. Slow heating of water from a hot source III. Constant pressure heati…
Published	02/02/2025	a closed thermodynamic system is one in which _______.
Published	02/02/2025	which of the following is NOT a part of low pressure side in refrigeration system?
Published	02/02/2025	Which of the following is NOT the cause of black smoke in diesel engine?
Published	02/02/2025	Which of the following gases can be used to measure the lowest temperature?
Published	02/02/2025	in geothermal power plants waste water is _______.
Published	02/02/2025	Which of the following is equivalent to one THERM?
Published	02/02/2025	the weight of steel bar reinforcements should be how many times the weight of the foundation?
Published	02/02/2025	a ton of refrigeration is equal to the cooling effect of ______.
Published	02/02/2025	This represents the temperature an ideal has that will be attained when it is brought to rest adiabatically.
Published	02/02/2025	Fluids that are pumped in processing work are frequently more viscous than water. Which of the following statement is correct?
Published	02/02/2025	The fastest way to remove frost from a direct-expansion finned-tube evaporator is to:
Published	02/02/2025	Only ______ of the turbine work output is required to operate the pump
Published	02/02/2025	In a Francis turbine runner, the number of blades are generally between _______.
Published	02/02/2025	The relation between the Fahrenheit absolute scale and the Celsius absolute scale is _______.
Published	02/02/2025	Subcooling means what?
Published	02/02/2025	If a gas possesses internal energy then it is due to its ________.
Published	02/02/2025	Which of the following produces extreme pressure differentials and violent gas vibration?
Published	02/02/2025	in the hydro - electric plant having a medium head and using a Francis turbine, the turbine speed may be regulated through:
Published	02/02/2025	which of the following is the approximate thermal efficiency of a geothermal power plant?
Published	02/02/2025	for a system that undergoes a state change from 1 and 2. according to the second law of thermodynamics for the process to be feasible, which of the fo…
Published	02/02/2025	Which dam is best for weak foundation?
Published	02/02/2025	A Pelton wheel is an ______ impulse turbine
Published	02/02/2025	it is the device used to measure small and moderate pressure difference.
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	from what principle that air ducts operate?
Published	02/02/2025	This is often used to absorb silica from water
Published	02/02/2025	Work or energy can be a function of all of the following except _______.
Published	02/02/2025	What is the saturation pressure at the critical temperature, or the lowest pressure in which a substance can be in the liquid state at its critical pr…
Published	02/02/2025	A method of air handling to an air conditioned room that produces more economical performance as compared with systems where reheat might be required …
Published	02/02/2025	Which of the following collectors are useful when extremely hot transfer fluid is needed and are general limited to commercial projects?
Published	02/02/2025	In Ericsson cycle, the regeneration process occur during ______ process.
Published	02/02/2025	Which of the following shall not be in contact with any halogenated refrigerants?
Published	02/02/2025	what must be done in order to lower the viscosity of the fuel oil?
Published	02/02/2025	Which of the following terms does not appear in steady flow energy equation ( the extended Bernoulli's equation)?
Published	02/02/2025	Which of the following is characteristic of an impulse turbine?
Published	02/02/2025	It is the ratio of the mass of water vapor in certain volume of moist air at a given temperature to the mass of water vapor in the same volume of satu…
Published	02/02/2025	when clothes are hung on a clothesline to dry on a freezing winter day. The clothes dry due to ________.
Published	02/02/2025	An Orsat apparatus is used for?
Published	02/02/2025	The cooling component of a refrigeration cycle is called _______.
Published	02/02/2025	when hot soup was served in a cup during dinner an engineer was so eager to drink it. Since it was hot, he added cubes of ice to cool the soup and sti…
Published	02/02/2025	which of the statements is false for Carnot Cycle?
Published	02/02/2025	What is the unit of electromagnetic wave frequency?
Published	02/02/2025	Natural draft towers can cool the water to within _______ of the wet bulb temperature
Published	02/02/2025	In the deep well installation or operation, the difference between static water level and operating water level is called _______.
Published	02/02/2025	What is the force which tends to draw a body toward the center about which it is rotating?
Published	02/02/2025	It is an empirical index for the combined effect of wind and low temperature
Published	02/02/2025	In the processing section, there is an instrument frequently used to measure the flow rate of fluids. What is the instrument consisting of a vertical …
Published	02/02/2025	Joint and all refrigerants-containing parts of a refrigerating system located in an air duct carrying conditioned air to and from an occupied space sh…
Published	02/02/2025	which of the following could be the reason why tidal power plant is attractive?
Published	02/02/2025	The pressure of ammonia was detected in brine solution. How can ammonia be removed?
Published	02/02/2025	In a reaction turbine when the degree of reaction is zero, then there is _______.
Published	02/02/2025	An axial flow compressor is suitable for ______.
Published	02/02/2025	what is Refrigerant R-40?
Published	02/02/2025	The color of lubricating oil:
Published	02/02/2025	Most permanent installations use piston compressors available as stock items of what pressure?
Published	02/02/2025	for an irreversible process, what is true about the total change in entropy of the system and surroundings?
Published	02/02/2025	It is the device used to measure small and moderate pressure difference
Published	02/02/2025	what is the equivalent of a draught of 1 mm of water?
Published	02/02/2025	in an isometric process, the heat transferred is equal to _______.
Published	02/02/2025	it used as working fluid in high-temperature applications of vapor cycles.
Published	02/02/2025	the range of the pressure gauge should be _____ times the MAWP of the boiler.
Published	02/02/2025	foundations are preferably built of concrete in the proportion of what measure of Portland cement sand : crushed stones?
Published	02/02/2025	which of the following is the process in which there is only work interaction between the system and the surroundings?
Published	02/02/2025	which of the following is a reversible cycle that consist of constant volume hest addition, reversible adiabatic expansion and constant pressure heat …
Published	02/02/2025	which of the following is an example of heterogeneous system?
Published	02/02/2025	thermodynamics work is the product of _____.
Published	02/02/2025	how does an adiabatic process compare to an isentropic process?
Published	02/02/2025	solar energy arrives at the outside of the earth's atmosphere at an average rate of __________.
Published	02/02/2025	what is Refrigerant R - 1150?
Published	02/02/2025	Where is vena contracta most likely located?
Published	02/02/2025	the drift loss in cooling towers is about ______.
Published	02/02/2025	In a compression ignition engine, the detonation occurs near the ________.
Published	02/02/2025	what is the largest group of coal containing 46-86% of fixed carbon and 20 to 40% volatile matter?
Published	02/02/2025	which of the following are the products of complete combustion of gaseous hydrocarbons?
Published	02/02/2025	which of the following materials is suitable for tubing in refrigeration application where refrigerant ammonia is employed?
Published	02/02/2025	In an impulse turbine __________.
Published	02/02/2025	which of the following represents OPEN thermodynamics system?
Published	02/02/2025	as the air passes through a diffuser, which of the following will decrease?
Published	02/02/2025	what is the area under the curve of a pressure - volume diagram?
Published	02/02/2025	by subcooling the refrigerant in vapor compression cycle at condenser exit, which of the following will decrease?
Published	02/02/2025	Air refrigeration cycle is used in _____.
Published	02/02/2025	The line of action of the buoyant forces always acts through the centroid of the _________.
Published	02/02/2025	which of the following can be assumed to be reversible?
Published	02/02/2025	The ratio of the clearance volume to the swept volume
Published	02/02/2025	what is a draught?I. A force required to maintain a flow of air through the fuel bed and aid in the proper combustion of fuelII. A force required to d…
Published	02/02/2025	which of the following is the reason an Otto cycle is less efficient than a Carnot cycle?
Published	02/02/2025	for a closed system, what is the difference between the heat added to the system and the work done by the system?
Published	02/02/2025	Which of the following is the instrument used to measure fluid velocity?
Published	02/02/2025	A graph of enthalpy versus entropy for steam
Published	02/02/2025	If two similar centrifugal pumps are connected in series, the resulting output is ______.
Published	02/02/2025	Compressibility of a fluid relates the fractional change in fluid volume per unit change in fluid _______.
Published	02/02/2025	a combination of liquids which do not mix - or combine chemically.
Published	02/02/2025	it is the speed of a turbine when the head on the turbine is one meter
Published	02/02/2025	which of the following is an obvious reason for incomplete combustion?
Published	02/02/2025	if the initial volume of an ideal gas is compressed to one-half its original volume and to twice its temperature, then; what will happen to the pressu…
Published	02/02/2025	what is the pressure at the exit of a draft tube ina turbine?
Published	02/02/2025	A liquid mixture having constant maximum and minimum boiling points. Refrigerant comprising this mixture do not combine chemically, yet the mixture pr…
Published	02/02/2025	if the pressure of a confined gas at a constant temperature is tripled, what happens to the volume?
Published	02/02/2025	A liquid whose temperature is lower than the saturation temperature corresponding to the existing pressure:
Published	02/02/2025	which of the following plant is suitable for peak load?
Published	02/02/2025	What is the temperature of lubricant at which it will ignite thus limit its application?
Published	02/02/2025	the total sulfur content in a diesel fuel must not exceed _________.
Published	02/02/2025	The convergent section of a nozzle increases the velocity of the flow of the gas. What does it to do on its pressure?
Published	02/02/2025	which of the following is a unit of thermal diffusivity?
Published	02/02/2025	what maintains a constant water level in the boiler?
Published	02/02/2025	the engines on a commercial jet aircraft operate on which of the basic cycles?
Published	02/02/2025	in a balanced system, the available draft is ______.
Published	02/02/2025	the total heat of the air is a function of _______.
Published	02/02/2025	tidal power is the power generated from ______.
Published	02/02/2025	Based on PME code, what should be provided in each stream outlets if two or more boilers will be connected in parallel?
Published	02/02/2025	What kind of bonding do common gases that exist in free state as diatomic molecules experiences?
Published	02/02/2025	When a system deviates infinitesimally from equilibrium at every instant of its state, it is undergoing __________.
Published	02/02/2025	If the average temperature 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	Which of the following is the refrigerant of choice" in uniting air conditioners?"
Published	02/02/2025	At any instant, if the number of particles passing every cross-section of the stream is the same, the flow is said to be:
Published	02/02/2025	Which type of geothermal plant used when there is a presence of brine extracted from underground?
Published	02/02/2025	In an ammonia system, the oil gage must be kept _________.
Published	02/02/2025	The ratio of average load to that of the rated capacity of a plant is called:
Published	02/02/2025	Loss power is due to ______.
Published	02/02/2025	A device for measuring the velocity of wind
Published	02/02/2025	What is the device used to protect the compressor from overloading due to high head pressure?
Published	02/02/2025	Which of the following is equivalent to CHU (Centigrade heat unit)?
Published	02/02/2025	What type of fuel is used with stationary power plants where has is available by pipeline?
Published	02/02/2025	The space above a suspended ceiling shall not be included in calculating the permissible quantity of refrigerant in the system unless such space is co…
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	What is the heat that is removed from the space to be cooled, which is the same as the heat absorbed by the cooling coils?
Published	02/02/2025	Exhaust gases from an engine posses
Published	02/02/2025	which of the following will form by heating 1 g of coal in an uncovered crucible until the coal is completely burned
Published	02/02/2025	the thermal efficiency of an ideal autocycle depends on
Published	02/02/2025	when h2o in the products of combustion is in liquid form the heating value is known as
Published	02/02/2025	which of the following contains 90% gasoline and 10% ethanol
Published	02/02/2025	which of the following is the process used commercially in coal liquefaction
Published	02/02/2025	a property of lubricating oil that measures the thickness of the oil and will help determine how long oil will flow at a given temperature is known as
Published	02/02/2025	may generate chemical formula for all hydrocarbons is cnhm. in different combinations of interest, as internal combustion engine fuel, n varies from
Published	02/02/2025	what is the typical compression ratio of otto cycle
Published	02/02/2025	which of the following produces extreme pressure differentials and violent gas vibration
Published	02/02/2025	type of lubrication system in diesel engine in which oil from pump is carried to a separate storage tank outside the engine cylinder and used for high…
Published	02/02/2025	which of the following petroleum distillate having a flashpoint not below 22.8 celsius
Published	02/02/2025	volumetric efficiency of a well designed engine may be in a range of
Published	02/02/2025	most commercially available petroleum lubricating oil deteriorates starting from what operating temperature
Published	02/02/2025	when four events takes place in one revolution of an crankshaft of an engine, the engine is called
Published	02/02/2025	the internal combustion engines never work in
Published	02/02/2025	this is the flow of fluids wherein it's particles do not have definite paths and the paths of the individual and distinct particles cross one another
Published	02/02/2025	atmospheric condition, hydrocarbon molecules with a low number of carbon atoms, 1 to 4 are
Published	02/02/2025	the ideal cycle based on the concept that the combustion process is both diesel and gasoline in the combination of heat transfer processes that is con…
Published	02/02/2025	which of the following types of hydrocarbons have chemical formula of cnh2n -4
Status	Last Update	Fields