Not deform
Be safest
Stretch
Not stretch
C. Stretch
Reversible process
Irreversible process
Reversible or irreversible process
None of these
1 × 102 N/m2
1 × 103 N/m2
1 × 104 N/m2
1 × 105 N/m2
Gauge pressure = Absolute pressure + Atmospheric pressure
Absolute pressure = Gauge pressure + Atmospheric pressure
Absolute pressure = Gauge pressure - Atmospheric pressure
Atmospheric pressure = Absolute pressure + Gauge pressure
1 kg of water
7 kg of water
8 kg of water
9 kg of water
Doubled
Halved
Becomes four times
None of the above
(p2/p1)γ - 1/ γ
(p1/p2)γ - 1/ γ
(v2/v1)γ - 1/ γ
(v1/v2)γ - 1/ γ
Perfect gas
Air
Steam
Ordinary gas
The stress is the pressure per unit area
The strain is expressed in mm
Hook's law holds good upto the breaking point
Stress is directly proportional to strain within elastic limit
Two isothermals and two isentropic
Two isentropic and two constant volumes
Two isentropic, one constant volume and one constant pressure
Two isentropic and two constant pressures
Equal to
More than
Less than
None of these
It does not exist
It is more sensitive to changes in both metallurgical and mechanical conditions
It gives a more accurate picture of the ductility
It can be correlated with stress strain values in other tests like torsion, impact, combined stress tests etc.
rγ - 1
1 - rγ - 1
1 - (1/r) γ/γ - 1
1 - (1/r) γ - 1/ γ
Increase
Decrease
Remain unchanged
Increase/decrease depending on application
Flow processes
Non-flow processes
Adiabatic processes
None of these
Homogeneous
Inelastic
Isotropic
Isentropic
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
None of these
One
Two
Three
Four
It is made of thick sheets
The internal pressure is very high
The ratio of wall thickness of the vessel to its diameter is less than 1/10.
The ratio of wall thickness of the vessel to its diameter is greater than 1/10.
Ultimate shear stress of the column
Factor of safety
Torque resisting capacity
Slenderness ratio
Carnot
Stirling
Ericsson
None of the above
The stress and strain induced is compressive
The stress and strain induced is tensile
Both A and B is correct
None of these
Carnot cycle
Stirling cycle
Ericsson cycle
Joule cycle
Increasing the internal energy of gas
Doing some external work
Increasing the internal energy of gas and also for doing some external work
None of the above
800 K
1000 K
1200 K
1400 K
Mechanical and fluid friction
Unrestricted expansion
Heat transfer with a finite temperature difference
All of the above
0
1
γ
∝
Low
Very low
High
Very high
p.v = constant, if T is kept constant
v/T = constant, if p is kept constant
p/T = constant, if v is kept constant
T/p = constant, if v is kept constant
Loss of heat
No loss of heat
Gain of heat
No gain of heat
Isothermal expansion
Isentropic expansion
Isothermal compression
Isentropic compression