61. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
Agree
Disagree
✅ The correct answer is option A.
Workshop Technology MCQs
62. An oxidising process used for aluminium and magnesium articles is called
galvanising
anodising
parkerising
sheradising
✅ The correct answer is option B.
63. When the file is moved to and fro over the work, it is known as
cross filing
draw filing
pull and push filing
none of these
✅ The correct answer is option B.
64. The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
Agree
Disagree
✅ The correct answer is option A.
65. A jolt machine is used to
ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
ram the sand harder at the back of the mould and softer on the pattern face
produce uniform sand hardness throughout the mould
produce uniform packin
✅ The correct answer is option A.
66. Scab is a casting defect which occurs as sand patches on the upper surface of a casting.
TRUE
FALSE
✅ The correct answer is option A.
67. When a pattern is made in three parts, the __________ is known as a drag.
bottom part
middle part
top part
✅ The correct answer is option A.
68. The teeth of hacksaw blade are bent
towards right
towards left
alternately towards right and left and every third or fourth left straight
may be bent in any dir
✅ The correct answer is option C.
69. Green sand is a mixture of
30% sand and 70% clay
50% sand and 50% clay
70% sand and 30% clay
90% sand and 10% clay
✅ The correct answer is option C.
70. Lap joints are employed on plates having thickness
less than 3 mm
5 to 10 mm
12.5 mm
above 25 mm
✅ The correct answer is option A.