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4

If the rivets in adjacent rows are staggered and the outermost row has only one rivets, the arrangement of the rivets is called

A. Chain riveting

B. Zigzag riveting

C. Diamond riveting

D. Crisscross riveting

Correct Answer :

C. Diamond riveting


Related Questions

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4

The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

A. One right angled triangle

B. Two right angled triangles

C. One equilateral triangle

D. Two equilateral triangles

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4

Coke is produced

A. When coal is first dried and then crushed to a fine powder by pulverising machine

B. From the finely ground coal by moulding under pressure with or without a binding material

C. When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel

D. By heating wood with a limited supply of air to a temperature not less than 280°C

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4

Slenderness of a column is zero when

A. Ends are firmly fixed

B. Column is supported on all sides throughout the length

C. Length is equal to radius of gyration

D. Length is twice the radius of gyration

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4

A thin cylindrical shell of diameter (D) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to volumetric strain is

A. (m - 1)/ (2m - 1)

B. (2m - 1)/ (m - 1)

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

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

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4

The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

A. 0

B. 1

C. γ

D.

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The materials which exhibit the same elastic properties in all directions are called

A. Homogeneous

B. Inelastic

C. Isotropic

D. Isentropic

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Which of the following materials is most elastic?

A. Rubber

B. Plastic

C. Brass

D. Steel

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4

Carnot cycle consists of

A. Two constant volume and two isentropic processes

B. Two isothermal and two isentropic processes

C. Two constant pressure and two isentropic processes

D. One constant volume, one constant pressure and two isentropic processes

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4

A shaft revolving at ω rad/s transmits torque (T) in Nm. The power developed is

A. T.ω watts

B. 2π. T.ω watts

C. 2π. T.ω/75 watts

D. 2π. T.ω/4500 watts

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4

The specific heat at constant volume is

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

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

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

D. Any one of the above

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4

For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is

A. Wl3 / 48EI

B. 5Wl3 / 384EI

C. Wl3 / 392EI

D. Wl3 / 384EI

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4

High air-fuel ratio in gas turbines

A. Increases power output

B. Improves thermal efficiency

C. Reduces exhaust temperature

D. Do not damage turbine blades

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4

The section modulus of a circular section about an axis through its C.G., is

A. πd²/4

B. πd²/16

C. πd3/16

D. πd3/32

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The deformation per unit length is called

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Strain

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4

One molecule of oxygen consists of __________ atoms of oxygen.

A. 2

B. 4

C. 8

D. 16

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When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Thermal stress

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4

The value of gas constant (R) in S. I. units is

A. 0.287 J/kgK

B. 2.87 J/kgK

C. 28.7 J/kgK

D. 287 J/kgK

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4

The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is

A. Same

B. Double

C. Half

D. Four times

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4

The variables which control the physical properties of a perfect gas are

A. Pressure exerted by the gas

B. Volume occupied by the gas

C. Temperature of the gas

D. All of these

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4

First law of thermodynamics deals with

A. Conservation of heat

B. Conservation of momentum

C. Conservation of mass

D. Conservation of energy

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One kg of hydrogen requires 8 kg of oxygen and produces

A. 1 kg of water

B. 7 kg of water

C. 8 kg of water

D. 9 kg of water

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4

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum normal stress i

A. (σx/2) + (1/2) × √(σx² + 4 τ²xy)

B. (σx/2) - (1/2) × √(σx² + 4 τ²xy)

C. (σx/2) + (1/2) × √(σx² - 4 τ²xy)

D. (1/2) × √(σx² + 4 τ²xy)

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4

Workdone in a free expansion process is

A. Zero

B. Minimum

C. Maximum

D. Positive

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Otto cycle is also known as

A. Constant pressure cycle

B. Constant volume cycle

C. Constant temperature cycle

D. Constant temperature and pressure cycle

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4

The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

A. 23.97 bar

B. 25 bar

C. 26.03 bar

D. 34.81 bar

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4

If Th is the torque resisting capacity of a hollow shaft and Ts is that of a solid shaft, of the same material, length and weight. Then,

A. Th > Ts

B. Th < Ts

C. Th = Ts

D. None of these

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4

If Kh is the torque resisting capacity of a hollow shaft and Ks is that of a solid shaft, of the same material, length and weight. Then,

A. Kh > Ks

B. Kh < Ks

C. Kh = Ks

D. None of these

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4

Principal planes are planes having

A. Maximum shear stress

B. No shear stress

C. Minimum shear stress

D. None of the above

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4

Second law of thermodynamics defines

A. Heat

B. Work

C. Internal energy

D. Entropy

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The specific heat of water is

A. 1.817

B. 2512

C. 4.187

D. None of these