Kerala PSC Previous Years Question Paper & Answer
Page:9
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER MECHANICAL PLANTATION CORPORATION OF KERALA LTD' And exam conducted in the year 2015. And Question paper code was '128/2015'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
66.
67.
68.
69.
70.
71.
72.
78.
74.
In a system, neither mass nor energy is allowed 10 cross the boundary of the system 15
known as :
(ಗಿ) Isentropic system (B) Isolated system
(C) TIsothermal system (D) Closed system
Charles law, mathematically defined as :
ல V/t = constant (8) p-V =constant
(C) ` 0/1 = constant (D) p-t =constant
Pascal (Pa) is the unit of :
(^) 701८6 (3) Density
(0) Power (D) Pressure
An adiabatic process is one in which :
(ക) The change in internal energy is equal to work done
(B) No heat enter or leaves the system
(C) The temperature of the gas changes
(D) All of the above
Morse test is conducted on a multi-cylinder IC engine is to determine its :
(^) Mechanical power (B) Brake power
(C) Indicated power (D) Indicated thermal efficiency
Capillary tube is used as ———— in refrigeration systems.
(8) Expansion device (©) Evaporating device
(C) Piping device (D) Defrosting device
In a throttling process —————— remain constant.
(^) Pressure ¢ (೧) Entropy
(C) Enthalpy (D) Temperature
Human comfort is related with :
(A) Temperature of air (8) Humidity of air
(C) Purity of air (D) All of the above
Unit of refrigeration is expressed as :
(¢) Kilo joule (B) Kilowatt
(C) TON (D) Kilopascal
11 128/2015
[P.T.0]
