REPAIRING TECHNIQUE

What is the colour of the aluminum metal? Yellow Reddish Whitish grey Silvery white

Which type of belt drive, the driven shaft will rotate opposites to drive shaft? Stepped drive Open belt drive Cross belt drive Right angled belt drive

Which ore produces lead metal? Pyrites Bauxite Malachite Galena

What is the name of metal alloy of lead, tin, copper and antimony? Bronze Gilding metal Babbitt metal Leaded bronze

What is the ratio of copper and zinc in 'Mountz metal'? 63:37 60:40 57:43 70:30

What is the type of gear?

Spur gear Miter gear Hypoid gear Herringbone gear

Which metal is extracted from bauxite ore? Zinc Brass Copper Aluminium

Which metal is used in the preparation of paint? Zinc Lead Brass Aluminum

Why the small steel wedge is tapped under the machine in lifting operation? To prevent vibration To reduce the weight To accept the crowbar To balance the machine

Which type of gear drive changes rotary movement to linear movement? Hypoid Herringbone Rack and pinion Helical gear

How to adjust the tension of belt between two fixed pulleys? By sliding the pulley By fixing idler pulley By adjusting the length of belt By adjusting the screw of pulley

Why vertical belt drives should be avoided in power transmission? Because of small wrapping of belt Because of excessive contact Because of gravitational pull and slippage Because of increase in surface speed of pulleys

Why the face of pulley is 'Crowned' in power transmission? Increase the tension Decrease the tension Keep the belt centralized Allow the pulley free rotation

Which coupling is used in the place for slight relative movement is required? Flexible coupling Flange coupling Chain coupling Muff coupling

Which graphical representation of the activities performed during manufacturing? Job card Process chart Batch record form Batch processing form

How to improve the gripping property of the dried belt? Jockey pulley Apply powdered resin Reduce the distance between pulleys Increase the distance between pulleys

What is the name of the gear?

Miter gear Bevel gear Hypoid gear Worm shaft and worm gear

Why is aluminum used widely in aircraft industries? Light weight Hard and Brittle High tensile strength Low thermal conductivity

Which type of brass sheet is used for deep ore galena? Tin Lead Copper Aluminum

Which metal alloys is used to make friction bearing? Tin Nickel Chromium Babbitt metal

Which type of bronze metal has got excellent anti friction properties? Low tin bronze Leaded bronze Phosphor bronze Leaded gunmetal

What is the melting point of nickel? 1300°C 1450°C 1100°C 1950°C

What metal is used to make agricultural equipment like ploughs and blades? Nickel steel Silicon steel Chromium steel Manganese steel

Which ore is extraction of aluminum? Bauxite Blends Galena Pyrites

Which metal powder is used in calorizing process to prevent corrosion of steel component? Zinc powder Nickel powder Aluminium powder Chromium powder

Which coupling will have disengaging provision? Clamp coupling Slip type coupling Universal coupling Plate coupling

What is the percentage of copper in malachite ore? 0.2 0.3 0.55 0.8

Which drive is used for long distance and larger amount of power transmission? Rope drive Belt drive Gear drive None of the above

Which metal is basically an alloy of copper and tin? Lead Brass Muntz Bronze

Which type of belt drive is used to obtain different speed ratio? Slip belt drive Stepped drive Open belt drive Closed belt drive

Which belt slip less in power transmission? V belt Flat belt Link belt Ribbed belt

Which type of belt length cannot be altered and reused with fastener? Link belt Flat belt Ribbed belt V belt