2020 · Paper 1

Complete GATE MN 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 16–18 of 65. Imported answers require review unless explicitly marked reviewed.

Question 6

Open question

MNMCQ1 markNeeds review

Match the following metals with their corresponding minerals.

Metal	Mineral
P — Copper	1 — Galena
Q — Tungsten	2 — Sphalerite
R — Lead	3 — Chalcopyrite
S — Zinc	4 — Wolframite

Your answerChoose one option.

A.

P - 4, Q - 2, R - 1, S - 3

B.

P - 4, Q - 1, R - 3, S - 2

C.

P - 3, Q - 4, R - 1, S - 2

D.

P - 2, Q - 3, R - 4, S - 1

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Question 7

Open question

MNMCQ1 markNeeds review

Match the wire rope types with their corresponding cross-sectional diagrams.

Rope type	Diagrams
P — Round strand	1 — diagram 1 
Q — Half-locked coil	2 — diagram 2 
R — Flattened strand	3 — diagram 3 
S — Full locked coil	4 — diagram 4 

Your answerChoose one option.

A.

P – 3, Q – 2, R – 4, S – 1

B.

P – 3, Q – 1, R – 2, S – 4

C.

P – 1, Q – 3, R – 4, S – 2

D.

P – 4, Q – 2, R – 3, S – 1

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Question 8

Open question

MNMCQ1 markNeeds review

The ‘ratchet and pawl’ mechanism in a jack hammer drill

Your answerChoose one option.

A.

forces down the piston

B.

provides a twisting force to the drill steel

C.

engages rifle bar with rifle nut

D.

prevents reverse rotation of rifle bar

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