Equal

Proportional to their respective moduli of elasticity

Inversely proportional to their moduli of elasticity

Average of the sum of moduli of elasticity

B. Proportional to their respective moduli of elasticity

Shear force changes sign

Shear force is maximum

Bending moment changes sign

Bending moment is maximum

1

0

-1

10

Heat

Work

Internal energy

Entropy

One-half

One-third

Two-third

Three-fourth

0°

30°

45°

90°

Increasing the highest temperature

Decreasing the highest temperature

Increasing the lowest temperature

Keeping the lowest temperature constant

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

More than 50 %

25-50 %

10-25 %

Negligible

Before point A

Beyond point A

Between points A and D

Between points D and E

Greater than Carnot cycle

Less than Carnot cycle

Equal to Carnot cycle

None of these

Half

Same amount

Double

One-fourth

(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)

Frequent heat treatment

Fatigue

Creep

Shock loading

Fixed at both ends

Fixed at one end and free at the other end

Supported at its ends

Supported on more than two supports

50 %

25 %

20 %

30 %

3 to 6

5 to 8

10 to 20

15 to 30

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

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

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

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

More

Less

Same

More/less depending on composition

Becomes constant

Starts decreasing

Increases without any increase in load

None of the above

300° to 500°C

500° to 700°C

700° to 900°C

900° to 1100°C

Heat and work crosses the boundary of the system, but the mass of the working substance does not crosses the boundary of the system

Mass of the working substance crosses the boundary of the system but the heat and work does not crosses the boundary of the system

Both the heat and work as well as mass of the working substance crosses the boundary of the system

Neither the heat and work nor the mass of the working substance crosses the boundary of the system

Otto cycle is more efficient than Diesel cycle

Diesel cycle is more efficient than Otto cycle

Dual cycle is more efficient than Otto and Diesel cycles

Dual cycle is less efficient than Otto and Diesel cycles

Greater than

Less than

Equal to

None of these

τ²/ 2G × Volume of shaft

τ/ 2G × Volume of shaft

τ²/ 4G × Volume of shaft

τ/ 4G × Volume of shaft

Boyle's law

Charles' law

Gay-Lussac law

All of these

Reversible process

Irreversible process

Reversible or irreversible process

None of these

Absolute pressure = Gauge pressure + Atmospheric pressure

Gauge pressure = Absolute pressure + Atmospheric pressure

Atmospheric pressure = Absolute pressure + Gauge pressure

Absolute pressure = Gauge pressure - Atmospheric pressure

Cracking

Carbonisation

Fractional distillation

Full distillation

Maximum torque it can transmit

Number of cycles it undergoes before failure

Elastic limit up to which it resists torsion, shear and bending stresses

Torque required to produce a twist of one radian per unit length of shaft

Carnot cycle

Rankine cycle

Brayton cycle

Bell Coleman cycle