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__________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in area & percentage elongation of a material.

A. Tensile

B. Fatigue

C. Impact

D. None of these

Correct Answer :

A. Tensile


Related Questions

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4

Identify the correct statement.

A. Sphlerite is zinc oxide

B. The first law of the thermodynamics is stated as δE = δQ - δW

C. Lead can be produced in a blast furnace

D. T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

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4

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

A. Steel

B. Glass wood

C. Copper

D. Fireclay bricks

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4

Steel & cast iron pipes are produced by __________ casting.

A. Slush

B. Die

C. Investment

D. True centrifugal

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4

Main constituent of bone ash is

A. Ammonium phosphate

B. Calcium phosphate

C. Animal charcoal

D. Ammonium sulphate

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4

A material being tested for endurance strength is subjected to the __________ load.

A. Impact

B. Completely reversed

C. Dynamic

D. Static & dynamic

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4

Pick out the wrong statement about nucleate boiling.

A. Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface

B. Surface temperature is greater than the saturation temperature of the liquid

C. Heat transfer from the surface of the liquid is less than that in film boiling

D. The temperature is less than that of film boiling

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4

Tin based white metals are used, where bearings are subjected to

A. High pressure & load

B. Low pressure & load

C. High temperature

D. Large surface wear

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4

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

A. Evaporative capacity

B. Evaporation efficiency

C. Thermal efficiency

D. Steam load

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4

Which one of the following is incombustible?

A. H2

B. CCl4

C. C2H2

D. S

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4

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

A. Vapour locking

B. Hot starting

C. Spark plug fouling

D. All 'a', 'b' & 'c'

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4

Addition of __________ to steel does not help in improving its machinability.

A. Sulphur

B. Silicon

C. Lead

D. Phosphorous

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4

In chemical dehumidification process

A. Wet bulb temperature increases

B. Dry bulb temperature remains constant

C. Dew point temperature increases

D. Dry bulb temperature increases

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4

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

A. Length of the pipe

B. Diameter of the pipe

C. Density of the fluid

D. Velocity of the fluid

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4

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg)?

A. Propane and acetylene

B. Propane and LPG

C. Sewage gas and gobar gas

D. B.F gas and coke oven gas

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4

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

A. Beryllium

B. Zirconia

C. Alumina

D. Magnesia

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4

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

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4

Water-tube boiler is the one, in which

A. Water passes through tubes and flue gases around it

B. Tube carrying hot flue gases are immersed in a pool of water

C. Tubes are placed in vertical position

D. None of these

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4

Mild steel has __________ crystal lattice structure.

A. Face centred cubic (fcc)

B. Body centred cubic (bcc)

C. Orthorhombic

D. Cubic

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4

Which of the following materials has the maximum shrinkage allowance?

A. Brass

B. Cast iron

C. Lead

D. Aluminium alloy

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4

Hot extrusion of aluminium is done in the temperature range of __________ °C.

A. 550-600

B. 450-500

C. 350-400

D. 250-300

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4

Laser is a device to produce

A. Gamma rays

B. Microwaves

C. A beam of white light

D. A beam of coherent light

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4

__________ of hard alloy and tool steel is done to make it easily machinable.

A. Case carburising

B. Tempering

C. Normalising

D. Annealing

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4

In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

A. Range is 15°F

B. Approach is 10°F

C. Both (A) & (B)

D. Neither (A) nor (B)

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4

Which of the following gases cause global warming?

A. Carbon monoxide

B. Carbon dioxide

C. Nitrogen

D. Ozone

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4

Adhesives

A. Cant be used in the form of pressure sensitive tapes

B. Cant join two dissimilar metals

C. Cure instantaneously after application on a surface

D. None of these

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4

Pick out the wrong statement.

A. The X-rays cannot be deflected by electric field unlike cathode rays

B. The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays

C. The quality of X-rays can be controlled by varying the anode-cathode voltage

D. Crystal structure of a material can be studied by an electron microscope

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4

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

A. 0

B. 100

C. 50

D. None of these

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4

Which of the following has the least value of ultimate tensile strength (UTS)?

A. Medium carbon steel

B. High carbon steel

C. Cast iron

D. Wrought iron

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4

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

A. Less

B. More

C. Equal

D. Unpredictable

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4

Milk is fat dispersed in water. It is an example of

A. Suspension

B. Emulsion

C. Gel

D. Solution