For earth moving machines, widely used engines are

• Petrol Engine

• Diesel Engine

• Steam Engine

• Gas Engine

Which of the following is the unit of power?

• Joules

• Watt

• Newton Meter

• Watt/sec

A person standing on a uniformly rotating turn table has his arms held close to his chest. If he outstretched his arms

• The moment of inertia will decrease
• The angular momentum will increase
• The speed of rotation will decrease
• Angular velocity will remain constant

What is the SI unit of weight

• Kilogram
• Newton
• Pound
• None of these

The tooth profile most commonly used in gear drives for the power transmission is

• A cycloid
• An involute
• An ellipse
• A parabola

ABS stand for

• Anti Braking system
• Antilock Braking system
• Auxiliary Braking system
• None of the above

Rain drops are spherical because of

• Viscosity
• Air resistance
• Surface tension
• Atmospheric pressure

Ability of a material to resist deformation due to stress is called

• Toughness
• Stiffness
• Plasticity
• Hardness

Copper zinc alloy is

• Brass
• Bronze
• Lead
• Zinc

Millimetre scale in a micrometer is marked on

• Anvil
• Barrel
• Ratchet
• Thimble