A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Thermodynamics }

162. The ratio of specific heat at constant pressure (Cp) and specific heat at constant volume (cv) is
A.Equal to one
B.Less than one
C.Greater than one
D.None of these
Discuss in Forum

163. Carbonisation of coal consists of
A.Drying and crushing the coal to fine powder
B.Moulding the finely ground coal under pressure with or without a binding material
C.Heating the wood with a limited supply of air to temperature not less than 280°K
D.None of the above
Discuss in Forum

164. According to Gay-Lussac law for a perfect gas, P/T = constant, if V is kept constant
Discuss in Forum

165. There is no change in internal energy in an iso-thermal process
Discuss in Forum

166. If the value of n = 0 in the equation pvn = C, then the process is called
A.Constant volume process
B.Adiabatic process
C.Constant pressure process
D.Isothermal process
Discuss in Forum

167. 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.
D.None of these
Discuss in Forum

168. Which of the following is correct?
A.Absolute pressure = Gauge pressure + atmospheric pressure
B.Gauge pressure = Absolute pressure + Atmospheric pressure
C.Atmospheric pressure = Absolute pressure + Gauge pressure
D.Absolute pressure = Gauge pressure - Atmospheric pressure
Discuss in Forum

Page 24 of 90

« 22 23  24  2526 »