Thermodynamics MCQs | Thermodynamics Multiple Choice Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 Which of the following variables controls the physical properties of a perfect gas
A pressure
B temperature
C volume
D all of the above

Answer: all of the above
2 Which of the following laws is applicable for the behavior of a perfect gas
A Boyle’s law
B Charles’law
C Gay-Lussac law
D all of the above

Answer: all of the above
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 The unit of length in S.I. units is
A meter
B centimeter
C kilometer
D millimeter

Answer: meter
4 According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as
A temperature
B absolute
C absolute temperature, if volume is kept constant
D volume, if temperature is kept constant

Answer: absolute temperature, if volume is kept constant
5 According to Dalton’s law, the total pres sure of the mixture of gases is equal to
A greater of the partial pressures of all
B average of the partial pressures of all
C sum of the partial pressures of all
D sum of the partial pressures of all divided by average molecular weight

Answer: sum of the partial pressures of all
6 Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.
A 02, N2, steam, C02
B Oz, N2, water vapour
C S02, NH3, C02, moisture
D 02, N2, H2, air

Answer: 02, N2, H2, air
7 A closed system is one in which
A mass does not cross boundaries of the system, though energy may do so
B mass crosses the boundary but not the energy
C neither mass nor energy crosses the boundaries of the system
D both energy and mass cross the boundaries of the system

Answer: mass does not cross boundaries of the system, though energy may do so
8 Diesel cycle consists of following four processes
A two isothermals and two isentropics
B two isentropics, and two constant volumes
C two isentropics, one constant volume and one constant pressure
D two isentropics and two constant pressures

Answer: two isentropics, one constant volume and one constant pressure
9 A cycle consisting of two adiabatics and two constant pressure processes is known as
A Otto cycle
B Ericsson cycle
C Joule cycle
D Stirling cycle

Answer: Joule cycle
10 Brayton cycle consists’ of following four processes
A two isothermals and two isentropics
B two isentropics and two constant volumes
C two isentropics, one constant volume and one constant pressure
D two isentropics and two constant pres-sures

Answer: two isentropics and two constant pres-sures
11 The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as
A Dual combustion cycle
B Diesel cycle
C Atkinson cycle
D Rankine cycle

Answer: Atkinson cycle
12 The ideal efficiency of a Brayton cycle without regeneration with increase ni pressure ratio will
A increase
B decrease
C remain unchanged
D increase/decrease depending on application

Answer: increase
13 The following cycle is used for air craft refrigeration
A Brayton cycle
B Joule cycle
C Carnot cycle
D Reversed-Brayton cycle

Answer: Reversed-Brayton cycle
14 Gas turbine cycle consists of
A two isothermals and two isentropics
B two isentropics and two constant volumes
C two isentropics, one constant volume and one constant pressure
D two isentropics and two constant pressures

Answer: two isentropics and two constant pressures
15 Which of the following cycles has maximum efficiency
A Rankine
B Stirling
C Carnot
D Brayton

Answer: Carnot
16 Reversed joule cycle is called
A Carnot cycle
B Rankine cycle
C Brayton cycle
D Bell Coleman cycle

Answer: Brayton cycle
17 For same compression ratio and for same heat added
A Otto cycle is more efficient than Diesel cycle
B Diesel cycle is more efficient than Otto cycle
C efficiency depends on other factors
D both Otto and Diesel cycles are equally efficient

Answer: Otto cycle is more efficient than Diesel cycle
18 Otto cycle consists of following four processes
A two isothermals and two isentropics
B two isentropics and two constant volumes
C two isentropics, one constant volume and one constant pressure
D two isentropics and two constant pres-sures

Answer: two isentropics and two constant volumes
19 Kelvin Planck’s law deals with
A conservation of heat
B conservation of work
C conversion of heat into work
D conversion fo work into heat

Answer: conversion of heat into work
20 The first law of thermodynamics is the law of
A conservation of mass
B conservation of energy
C conservation of momentum
D conservation of heat

Answer: conservation of energy

Random GK Questions

Q. The Arjuna Award winner Abhijeet Gupta is related to which of the following sports ?
Q. Nobel Prize in which field is not paid out of the endowment set up by Dr. Alfred Nobel?
Q. Who amongst the following was involved in the Alipore Bomb case?
Q. Which of the following towns is not the Golden Quadrilateral being created for the roads infrastructure of the country ?
Q. With the inclusion of Shipping Corporation of India recently in the list of New Ratna PSEs, their number now stands at
Q. In our Constitution, Economic Planning is included in
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series