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- Question
The co-efficient of rolling resistance for a truck weighing 63 500 N is 0.018. The rolling resistance to the truck is
Options- A. 1.143 N
- B. 11.43 N
- C. 114.3 N
- D. 1143 N
- Correct Answer
- 1143 N
- 1. The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre, is
Options- A. zero
- B. wl/4
- C. wl/2
- D. wl2/2 Discuss
- 2. The heat and work are mutually convertible. This statement is called __________ law of thermodynamics.
Options- A. Zeroth
- B. First
- C. Second Discuss
- 3. Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is
Options- A. 1/8
- B. 1/4
- C. 1/2
- D. 2 Discuss
- 4. The material widely used for making pendulums of clocks is
Options- A. stainless steel
- B. high speed steel
- C. heat resisting steel
- D. nickel steel Discuss
- 5. The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and ?t = Allowable tensile stress for weld metal)
Options- A. 0.5 s.l.?t
- B. s.l.?t
- C. 2 s.l.?t
- D. 2.s.l.?t Discuss
- 6. The battery is an electrochemical device, which means battery
Options- A. makes chemicals by mechanical means
- B. uses chemical action to provide electricity
- C. has curved plates instead of flat plates
- D. does not use an electrolyte Discuss
- 7. Thread rolling is restricted to
Options- A. ferrous materials
- B. ductile materials
- C. hard materials
- D. none of these Discuss
- 8. The width of slot cut by a hacksaw blade is __________ the width of the blade.
Options- A. equal to
- B. less than
- C. greater than Discuss
- 9. The buoyancy depends upon the
Options- A. weight of the liquid displaced
- B. pressure with which the liquid is displaced
- C. viscosity of the liquid
- D. compressibility of the liquid Discuss
- 10. The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be
Options- A. a horizontal line
- B. a vertical line
- C. an inclined line
- D. a parabolic curve Discuss
More questions
Correct Answer: zero
Correct Answer: First
Correct Answer: 1/2
Correct Answer: nickel steel
Correct Answer: 2 s.l.?t
Correct Answer: uses chemical action to provide electricity
Correct Answer: ductile materials
Correct Answer: greater than
Correct Answer: weight of the liquid displaced
Correct Answer: a parabolic curve
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