human resource interview questions

Question 1: A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Diesel cycle

Question 2: The efficiency and work ratio of a simple gas turbine cycle are

very low

Question 3: The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

specific heat at constant volume

Question 4: An adiabatic process is one in which

no heat enters or leaves the gas; the temperature of the gas changes; the change in internal energy is equal to the mechanical workdone

Question 5:Which of the following is the lightest and most volatile liquid fuel?

Gasoline

Question 6:The processes occuring in open system which permit the transfer of mass to and from the system, are known as

flow processes

Question 7:Which of the following has the minimum atomic mass?

Carbon

Question 8:Workdone in a free expansion process is

zero

Question 9:The efficiency of Diesel cycle approaches to Otto cycle efficiency when

cut-off is zero

Question 10:The entropy __________ in an irreversible cyclic process.

increases

Question 11:If the value of n = 0 in the equation pvn = C, then the process is called

constant pressure process

Question 12: When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

carbonisation

Question 13: Which of the following is correct?

Absolute pressure = Gauge pressure + Atmospheric pressure

Question 14: The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called

fractional distillation

Question 15:Which of the following statement is incorrect?

The solid fuels have higher calorific value than liquid fuels.

Question 16:Which of the following gas is mostly used in town for street and domestic lighting and heating?

Coal gas

Question 17: The value of gas constant (R) in S. I. units is

287 J/kgK

Question 18:The efficiency of Diesel cycle increases with

decrease in cut-off

Question 19: The absolute zero temperature is taken as

-273°C

Question 20:A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

thermodynamic cycle

Question 21: The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

enthalpy

Thermodynamics interview questions