Carnot cycle
Otto cycle
Joule's cycle
Stirling cycle
C. Joule's cycle
Shear force changes sign
Bending moment changes sign
Shear force is maximum
Bending moment is maximum
Equal
Proportional to their respective moduli of elasticity
Inversely proportional to their moduli of elasticity
Average of the sum of moduli of elasticity
Plasticity
Elasticity
Ductility
Malleability
8.314 J/kg mole-K
83.14 J/kgmole-K
831.4 J/kgmole-K
8314 J/kgmole-K
Yield point stress
Breaking stress
Ultimate stress
Elastic limit
Otto cycle is more efficient than Diesel cycle
Diesel cycle is more efficient than Otto cycle
Efficiency depends on other factors
Both Otto and Diesel cycles are equally efficient
Shear force changes sign
Shear force is maximum
Bending moment changes sign
Bending moment is maximum
Two isothermal and two isentropic
Two isentropic and two constant volumes
Two isentropic, one constant volume and one constant pressure
Two isentropic and two constant pressures
Fluids in motion
Breaking point
Plastic deformation of solids
Rupture stress
(σx + σy)/2 + (1/2) × √[(σx - σy)² + 4 τ²xy]
(σx + σy)/2 - (1/2) × √[(σx - σy)² + 4 τ²xy]
(σx - σy)/2 + (1/2) × √[(σx + σy)² + 4 τ²xy]
(σx - σy)/2 - (1/2) × √[(σx + σy)² + 4 τ²xy]
Its temperature increases but volume decreases
Its volume increases but temperature decreases
Both temperature and volume increases
Both temperature and volume decreases
(σx/2) + (1/2) × √(σx² + 4 τ²xy)
(σx/2) - (1/2) × √(σx² + 4 τ²xy)
(σx/2) + (1/2) × √(σx² - 4 τ²xy)
(1/2) × √(σx² + 4 τ²xy)
3 to 6
5 to 8
15 to 20
20 to 30
Tension
Compression
Bearing
Any one of the above
Equal to
Less than
Greater than
None of these
Two constant volume and two isentropic processes
Two isothermal and two isentropic processes
Two constant pressure and two isentropic processes
One constant volume, one constant pressure and two isentropic processes
Increases the internal energy of the gas and increases the temperature of the gas
Does some external work during expansion
Both (A) and (B)
None of these
When coal is first dried and then crushed to a fine powder by pulverising machine
From the finely ground coal by moulding under pressure with or without a binding material
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
By heating wood with a limited supply of air to a temperature not less than 280°C
Law of equipartition of energy
Law of conservation of energy
Law of degradation of energy
None of these
Change the shape of the beam
Effect the saving in material
Equalise the strength in tension and compression
Increase the cross-section of the beam
Equal to
More than
Less than
None of these
It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work.
It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source.
There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy.
All of the above
Homogeneous
Inelastic
Isotropic
Isentropic
wl²/3√3
wl²/6√3
wl²/9√3
wl²/12√3
Petrol engine
Diesel engine
Reversible engine
Irreversible engine
The indirect heat exchanger and cooler is avoided
Direct combustion system is used
A condenser is used
All of the above
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Kinetic theory of gases
Reversible cycles
Irreversible cycles
Semi-reversible cycles
Quasi-static cycles
Short columns
Long columns
Weak columns
Medium columns
Zero
Minimum
Maximum
Infinity