Related Questions

Shrinkage allowance on pattern is provided to compensate for shrinkage when
A The temperature of liquid metal drops from pouring to freezing temperature
B The metal changes from liquid to solid state at freezing temperature
C The temperature of solid phase drops from freezing to room temperature
D The temperature of metal drops from pouring to room temperature
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:
A (1 - C) mf - eE
B (C - 1) mf + eE
C (C - 1) mf - eE
D (1 - C) mf + eE
Shrinkage allowance on pattern is provided to compensate for shrinkage when the
A Metal changes from liquid state to solid state at freezing temperature
B Solid phase temperature drops from freezing temperature to the room temperature
C Liquid metal temperature drops from pouring temperature to room temperature
D Liquid metal temperature drops from pouring temperature to freezing temperature
Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.
A X-ray
B Magnetic particle
C Dye penetrant
D Ultrasonic
What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?
A Incomplete fusion
B Lamellar tearing
C Mismatch
D Shrinkage void
A person needs 5 boards, each 3 feet 8 inches long but wood is not sold in fraction of a feet. What is the minimum length of wood, in feet, he must buy?
A 20
B 18
C 19
D 17
A carpenter needs 4 boards, each 2 feet 10 inches long,. If wood is sold only by the feet, what is the minimum length, in feet, of wood he must buy?
A 9
B 10
C 11
D 12
Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the
A Decolourisation of sugar
B Solvent recovery from air and gases
C Absorption of gases and vapor
D Electrode manufacture
Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about
A Half
B One third
C One fifth
D One twelfth
A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be
A Silver
B Copper
C Aluminium
D Zinc

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