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Workshop Technology(Engineering > Mechanical Engineering ) Questions and Answers
Home
Topic
Engineering
Mechanical Engineering
Workshop Technology
Question 1.
A taper provided on the pattern for its easy and clean withdrawal from the mould is known as
Machining allowance
Draft allowance
Shrinkage allowance
Distortion allowance
Explanation:-
Answer: Option B. ->
Draft allowance
Question 2.
A file with 20 teeth in 25 mm is called
Rough file
Bastard file
Second cut file
Smooth file
Explanation:-
Answer: Option A. ->
Rough file
Question 3.
Blanking and piercing operations can be performed simultaneously in a
Simple die
Progressive die
Compound die
Combination die
Explanation:-
Answer: Option C. ->
Compound die
Question 4.
The accuracy of micrometers, calipers, dial indicators can be checked by a
Feeler gauge
Slip gauge
Ring gauge
Plug gauge
Explanation:-
Answer: Option B. ->
Slip gauge
Question 5.
For welding plates of thickness less than 5 mm, its edges
Do not require bevelling
Should be bevelled to a single-V or U-groove
Should have a double-V or U-groove on one side
Should have a double-V or U-groove on both sides
Explanation:-
Answer: Option A. ->
Do not require bevelling
Question 6.
The current in electric resistance welding can be regulated by
Varying the input supply
Changing the primary turns of the transformer
Changing the secondary turns of the transformer
Any one of the above
Explanation:-
Answer: Option B. ->
Changing the primary turns of the transformer
Question 7.
In a bilateral system of tolerance, the tolerance is allowed on
One side of the actual size
One side of the nominal size
Both sides of the actual size
Both sides of the nominal size
Explanation:-
Answer: Option D. ->
Both sides of the nominal size
Question 8.
In a unilateral system of tolerance, the tolerance is allowed on
One side of the actual size
One side of the nominal size
Both sides of the actual size
Both sides of the nominal size
Explanation:-
Answer: Option B. ->
One side of the nominal size
Question 9.
Tandem drawing of wires and tubes is necessary because
It is not possible to reduce at one stage
Annealing is needed between stages
Accuracy in dimensions is not possible otherwise
Surface finish improves after every drawing stage
Explanation:-
Answer: Option B. ->
Annealing is needed between stages
Question 10.
Seam welding is best adopted for metal thickness ranging from
0.025 to 3 mm
3 to 5 mm
5 to 8 mm
8 to 10 mm
Explanation:-
Answer: Option A. ->
0.025 to 3 mm
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