Q1 - 2 = dU + W1 - 2
Q1 - 2 = dU - W1 - 2
Q1 - 2 = dU/W1 - 2
Q1 - 2 = dU × W1 - 2
A. Q1 - 2 = dU + W1 - 2
Creeping
Yielding
Breaking
Plasticity
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.
Volume
Temperature
Mass
Energy
Reversible
Irreversible
Reversible or irreversible
None of these
1 N-m
1 kN-m
10 N-m/s
10 kN-m/s
Longitudinal stress to longitudinal strain
Volumetric stress to volumetric strain
Lateral stress to Lateral strain
Shear stress to shear strain
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
Rubber
Plastic
Brass
Steel
(11/3) CO2 + (3/7) CO
(3/7) CO2 + (11/3) CO
(7/3) CO2 + (3/11) CO
(3/11) CO2 + (7/3) CO
Very low
Low
High
Very high
1 × 102 N/m2
1 × 103 N/m2
1 × 104 N/m2
1 × 105 N/m2
A Joule cycle consists of two constant volume and two isentropic processes.
An Otto cycle consists of two constant volume and two isentropic processes.
An Ericsson cycle consists of two constant pressure and two isothermal processes.
All of the above
Measure shear strain
Measure linear strain
Measure volumetric strain
Relieve strain
Wl3/48 EI
Wa²b²/3EIl
[Wa/(a√3) x EIl] x (l² - a²)3/2
5Wl3/384 EI
Butt joint
Lap joint
Double riveted lap joints
All types of joints
1
1.4
1.45
2.3
More than 50 %
25-50 %
10-25 %
Negligible
Two constant pressure
Two constant volume
Two isentropic
One constant pressure, one constant volume
0.4 radian
0.8 radian
1.6 radian
3.2 radian
0.01 to 0.1
0.23 to 0.27
0.25 to 0.33
0.4 to 0.6
0.086
1.086
1.086
4.086
Principal stresses
Normal stresses on planes at 45°
Shear stresses on planes at 45°
Normal and shear stresses on a plane
2.1 × 10⁵ kg/cm²
2.1 × 10⁶ kg/cm²
2.1 × 10⁷ kg/cm²
0.1 × 10⁶ kg/cm²
Mono-atomic
Di-atomic
Tri-atomic
Poly-atomic
pv = mRT
pv = RTm
pvm = C
pv = (RT)m
No heat enters or leaves the gas
The temperature of the gas changes
The change in internal energy is equal to the mechanical workdone
All of the above
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
Unit mass
Modulus of rigidity
Bulk modulus
Modulus of Elasticity
E = 3K.C/(3K + C)
E = 6K.C/(3K + C)
E = 9K.C/(3K + C)
E = 12K.C/(3K + C)
Cut-off is increased
Cut-off is decreased
Cut-off is zero
Cut-off is constant