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- Question
Two shafts 'A' and 'B' are made of same material. The shaft 'A' is solid and has diameter D. The shaft 'B' is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.
Options- A. 1/16
- B. 1/8
- C. 1/4
- D. 15/16
- Correct Answer
- 15/16
- 1. In compression test, the fracture in cast iron specimen would occur along
Options- A. the axis of load
- B. an oblique plane
- C. at right angles to the axis of specimen
- D. would not occur Discuss
- 2. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
Options- A. carbide, ceramic, cermet, borazon
- B. ceramic, carbide, borazon, cermet
- C. cermet, carbide, ceramic, borazon
- D. borazon, ceramic, carbide, cermet Discuss
- 3. The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
Options- A. density of liquid
- B. specific gravity of liquid
- C. compressibility of liquid
- D. surface tension of liquid Discuss
- 4. A steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce
Options- A. no stress
- B. shear stress
- C. tensile stress
- D. compressive stress Discuss
- 5. Viscous force is the __________ of shear stress due to viscosity and cross-sectionar area of flow.
Options- A. sum
- B. different
- C. product
- D. ratio Discuss
- 6. Which of the following statement is wrong?
Options- A. The mortise gauge has two scribing pins.
- B. The gouges are chisels with a hollow shaped blade.
- C. An auger is a planing tool
- D. all of these Discuss
- 7. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
Options- A. Agree
- B. Disagree Discuss
- 8. Shear strength of the welded joint for double parallel fillet is (where ? = Allowable shear stress for weld metal)
Options- A. 0.5 s.l.?
- B. s.l.?
- C. 2 s.l.?
- D. 2.s.l.? Discuss
- 9. The bending moment diagram for a cantilever beam of length l and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is a parabolic curve.
Options- A. Agree
- B. Disagree Discuss
- 10. In a venturiflume, the flow takes place at
Options- A. atmospheric pressure
- B. gauge pressure
- C. absolute pressure
- D. none of these Discuss
More questions
Correct Answer: an oblique plane
Correct Answer: cermet, carbide, ceramic, borazon
Correct Answer: specific gravity of liquid
Correct Answer: no stress
Correct Answer: product
Correct Answer: An auger is a planing tool
Correct Answer: Agree
Correct Answer: 2 s.l.?
Correct Answer: Agree
Correct Answer: atmospheric pressure
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