Related Questions

The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
A Dog spike
B Rail screw
C Elastic spike
D Round spike
The size of the wooden block is 5×10×20 cm. How many such blocks will be required to contract a solid wooden cube of minimum size?
A 12
B 6
C 10
D 8
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
A 10 mm/m
B 16 mm/m
C 20 mm/m
D 26 mm/m
Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike?
A Dust particles may not accumulate
B Charge per unit area becomes very high for lightening to discharge
C Rain drops may not collect
D None of the above
In which method of filing, papers and documents are placed in metal holders in chorological order?
A Box file
B Bound book
C Metal holders
D Pillar file
A wooden block fixed on back side of a door frame on its post, is known as
A Cleat
B Stop
C Horn
D None of these
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
A Washing it with water
B Rubbing on wood
C Washing it with dilute acid
D Using file card
The metal patterns as compared to wooden patterns require less
A Shrinkage allowance
B Machining allowance
C Draft allowance
D Distortion allowance
Metal sleepers are superior to wooden sleepers with respect to
A cost
B life
C track circuiting
D fastening
A triangle has a base x and an altitude y. A second triangle has a base twice the altitude of the first triangle, and an altitude twice the base of the first triangle. What is the area of the second triangle?
A 2xy
B 0.5xy
C 0.66xy
D 4xy

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