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Workshop Technology MCQ Questions & Answers | Mechanical Engineering

Learn Workshop Technology MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Workshop Technology MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-10 section-1

Each section contains 100 MCQs on Workshop Technology .
91
In shielded arc welding
Discuss
Answer & Solution
Answer: Option C
Solution:
Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), flux shielded arc welding or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld.
92
The cold chisels are made from
Discuss
Answer & Solution
Answer: Option D
Solution:
Cold chisels are made from carbon tool-steel, which is usually octagonal in cross-section.
Tool-steel is used as it can be hardened to form a hard and tough cutting edge.
To make a cold chisel heat the end of the bar of tool steel until it is bright red and hammer to the desired shape.
93
A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
Discuss
Answer & Solution
Answer: Option B
Solution:
A three high rolling mill consists of three rolls placed one above the other and the upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
94
The maximum flame temperature occurs
Discuss
Answer & Solution
Answer: Option B
Solution:
The maximum flame temperature occurs At the inner cone
95
The temperature produced by oxy-hydrogen flame is about
Discuss
Answer & Solution
Answer: Option C
Solution:
The temperature produced by oxy-hydrogen flame is about 2400°C
This gaseous mixture is used for torches to process refractory materials and was the first gaseous mixture used for welding.
96
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is
Discuss
Answer & Solution
Answer: Option D
Solution:
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is Vernier caliper
97
According to Indian standards, the total numbers of tolerance grades are
Discuss
Answer & Solution
Answer: Option C
Solution:
According to Indian standards, the total numbers of tolerance grades are 18
98
Metal patterns are used for
Discuss
Answer & Solution
Answer: Option D
Solution:
Patterns come in many materials, including wood, metal, plastics, and wax. The pattern material is chosen based on the casting volume and process used. Wood and metal patterns are usually used with sand casting, while wax is rarely used for anything but investment casting.
99
The machining allowance provided on patterns depends upon
Discuss
Answer & Solution
Answer: Option D
Solution:
The machining allowance provided on patterns depends upon the Type of casting metal and the Size and shape of casting and Method of casting used
100
The metal patterns as compared to wooden patterns require less
Discuss
Answer & Solution
Answer: Option C
Solution:
Draft Allowance: by draft is meant the taper provided by the pattern maker on all vertical surfaces of the pattern so that it can be removed from the sand without tearing away the sides of the sand mold and without excessive rapping by the molder.
The metal patterns as compared to wooden patterns require less draft allowance.