Slenderness ratio and area of cross-section

Poisson's ratio and modulus of elasticity

Slenderness ratio and modulus of elasticity

Slenderness ratio, area of cross-section and modulus of elasticity

D. Slenderness ratio, area of cross-section and modulus of elasticity

Maximum calculated value

Minimum calculated value

Mean value

Extreme value

Its temperature increases but volume decreases

Its volume increases but temperature decreases

Both temperature and volume increases

Both temperature and volume decreases

Increases power output

Improves thermal efficiency

Reduces exhaust temperature

Do not damage turbine blades

400 MPa

500 MPa

900 MPa

1400 MPa

Thermal stresses

Tensile stress

Bending

No stress

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

Area at the time of fracture

Original cross-sectional area

Average of (A) and (B)

Minimum area after fracture

Greater than

Less than

Equal to

None of these

Principal stress

Tensile stress

Compressive stress

Shear stress

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

-140 kJ

-80 kJ

-40 kJ

+60 kJ

Equal to

Less than

More than

None of these

Inversely proportional to strain

Directly proportional to strain

Square root of strain

Equal to strain

Maximum at periphery and zero at center

Maximum at center

Uniform throughout

None of the above

In the vertical plane

In the horizontal plane

In the same plane in which the beam bends

At right angle to the plane in which the beam bends

Cracking

Carbonisation

Fractional distillation

Full distillation

Two constant pressure

Two constant volume

Two isentropic

One constant pressure, one constant volume

-273°C

73°C

237°C

-237°C

Steel

Copper

Aluminium

None of the above

Frequent heat treatment

Fatigue

Creep

Shock loading

Sum of two specific heats

Difference of two specific heats

Product of two specific heats

Ratio of two specific heats

4/7

11/4

9/7

All of these

3 to 6

5 to 8

15 to 20

20 to 30

(Net work output)/(Workdone by the turbine)

(Net work output)/(Heat supplied)

(Actual temperature drop)/(Isentropic temperature drop)

(Isentropic increase in temperature)/(Actual increase in temperature)

E = 3K.C/(3K + C)

E = 6K.C/(3K + C)

E = 9K.C/(3K + C)

E = 12K.C/(3K + C)

Short columns

Long columns

Weak columns

Medium columns

Gas engine

Petrol engine

Steam engine

Reversible engine

Butt joint

Lap joint

Double riveted lap joints

All types of joints

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

Kinetic theory of gases

Absolute scale of temperature

Absolute zero temperature

Absolute temperature

None of these