Shear force changes sign

Bending moment changes sign

Shear force is maximum

Bending moment is maximum

B. Bending moment changes sign

12

14

16

32

Two constant volume and two isentropic

Two constant pressure and two isentropic

Two constant volume and two isothermal

One constant pressure, one constant volume and two isentropic

Pressure and temperature

Temperature and volume

Heat and work

All of these

Wood

Coke

Anthracite coal

Pulverised coal

Equal to

Less than

More than

None of these

400 MPa

500 MPa

900 MPa

1400 MPa

Zero

Minimum

Maximum

Infinity

Maximum shear stress

No shear stress

Minimum shear stress

None of the above

Same as

Less than

Greater than

None of these

Loss of heat

No loss of heat

Gain of heat

No gain of heat

Coal gas

Producer gas

Mond gas

Blast furnace gas

Conservation of work

Conservation of heat

Conversion of heat into work

Conversion of work into heat

Total internal energy of a system during a process remains constant

Total energy of a system remains constant

Workdone by a system is equal to the heat transferred by the system

Internal energy, enthalpy and entropy during a process remain constant

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

Isothermal

Isentropic

Polytropic

None of these

Its temperature increases but volume decreases

Its volume increases but temperature decreases

Both temperature and volume increases

Both temperature and volume decreases

More

Less

Equal

Depends on other factors

pv = C

pv = m R T

^{n} = C

^{γ} = C

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

(23/100) × Mass of excess carbon

(23/100) × Mass of excess oxygen

(100/23) × Mass of excess carbon

(100/23) × Mass of excess oxygen

Carbon and hydrogen

Oxygen and hydrogen

Sulphur and oxygen

Sulphur and hydrogen

3 to 6

5 to 8

10 to 20

15 to 30

Cracking

Carbonisation

Fractional distillation

Full distillation

Equal to

Directly proportional to

Inversely proportional to

Independent of

Simply supported beam

Fixed beam

Overhanging beam

Cantilever beam

3p/E × (2/m - 1)

3p/E × (2 - m)

3p/E × (1 - 2/m)

E/3p × (2/m - 1)

Absolute pressure = Gauge pressure + Atmospheric pressure

Gauge pressure = Absolute pressure + Atmospheric pressure

Atmospheric pressure = Absolute pressure + Gauge pressure

Absolute pressure = Gauge pressure - Atmospheric pressure

Isothermal process

Hyperbolic process

Adiabatic process

Polytropic process

11/7

9/7

4/7

All of the above

wl/4

wl/2

wl

wl²/2