The friction experienced by a body, when at rest, is known as static friction dy

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Question
The friction experienced by a body, when at rest, is known as
Options
A. static friction
B. dynamic friction
C. limiting friction
D. coefficient of friction

Correct Answer

static friction

More questions

1. A tank of uniform cross-sectional area (A) containing liquid upto height (H₁) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H₁ to H₂ will be
Options
A.
B.
C.
D.

2. In free convection heat transfer transition from laminar to turbulent flow is governed by the critical value of the
Options
A. Reynold's number
B. Grashoff's number
C. Reynold's number, Grashoff's number
D. Prandtl number, Grashoff's number

6. The advantage of having a tandem master cylinder arrangement in automobiles is that it
Options
A. enhances safety by serving two independent lines in a divided-line brake circuit
B. enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss
C. supplies equal fluid pressure to each line of a divided-line brake circuit, thereby preventing the brakes from dragging on one side
D. boosts the brake fluid pressure to reduce the force required to depress the brake pedal

7. The material in which the atoms are arranged regularly in some directions but not in others, is called
Options
A. amorphous material
B. mesomorphous material
C. crystalline material
D. none of these

8. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
Options
A. high neutron absorption cross-section
B. low moderating efficiency
C. high neutron scatter cross-section
D. low neutron absorption cross-section

9. Manganese is added in low carbon steel to
Options
A. make the steel tougher and harder
B. raise the yield point
C. make the steel ductile and of good bending qualities
D. all of the above

10. Free carbon in iron makes the metal
Options
A. soft and gives a coarse grained crystalline structure
B. soft and gives a fine grained crystalline structure
C. hard and gives a coarse grained crystalline structure
D. hard and gives a fine grained crystalline structure

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