Chain riveting

Zigzag riveting

Diamond riveting

Crisscross riveting

C. Diamond riveting

One right angled triangle

Two right angled triangles

One equilateral triangle

Two equilateral triangles

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

Ends are firmly fixed

Column is supported on all sides throughout the length

Length is equal to radius of gyration

Length is twice the radius of gyration

(m - 1)/ (2m - 1)

(2m - 1)/ (m - 1)

(m - 2)/ (3m - 4)

(m - 2)/ (5m - 4)

0

1

γ

∝

Homogeneous

Inelastic

Isotropic

Isentropic

Rubber

Plastic

Brass

Steel

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

T.ω watts

2π. T.ω watts

2π. T.ω/75 watts

2π. T.ω/4500 watts

The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure

The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume

The amount of heat required to raise the temperature of 1 kg of water through one degree

Any one of the above

Wl3 / 48EI

5Wl3 / 384EI

Wl3 / 392EI

Wl3 / 384EI

Increases power output

Improves thermal efficiency

Reduces exhaust temperature

Do not damage turbine blades

πd²/4

πd²/16

^{3}/16

^{3}/32

Tensile stress

Compressive stress

Shear stress

Strain

2

4

8

16

Tensile stress

Compressive stress

Shear stress

Thermal stress

0.287 J/kgK

2.87 J/kgK

28.7 J/kgK

287 J/kgK

Same

Double

Half

Four times

Pressure exerted by the gas

Volume occupied by the gas

Temperature of the gas

All of these

Conservation of heat

Conservation of momentum

Conservation of mass

Conservation of energy

1 kg of water

7 kg of water

8 kg of water

9 kg of water

(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)

Zero

Minimum

Maximum

Positive

Constant pressure cycle

Constant volume cycle

Constant temperature cycle

Constant temperature and pressure cycle

23.97 bar

25 bar

26.03 bar

34.81 bar

Th > Ts

Th < Ts

Th = Ts

None of these

Kh > Ks

Kh < Ks

Kh = Ks

None of these

Maximum shear stress

No shear stress

Minimum shear stress

None of the above

Heat

Work

Internal energy

Entropy

1.817

2512

4.187

None of these