Engineering Sciences
GATE XE topic:applied-science PYQs
Build your understanding with focused practice from past exam papers.
Questions 601–610 of 1772. Imported answers require independent review unless marked reviewed.
Question 54
Open questionXE-CMCQ2 marksNeeds review
Match the lattice planes and directions (in Column I) with the corresponding Miller indices (in Column II):
Column I: (P), (Q), (R), (S); Column II: 1.
; 2.
; 3.
; 4.
.
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 55
Open questionXE-CMCQ2 marksNeeds review
Match the hardness test (in Column I) with its indenter type (in Column II).
Column I: (P) Brinell; (Q) Rockwell; (R) Vickers.
Column II: 1. Diamond pyramid; 2. Diamond cone; 3. Tungsten carbide sphere; 4. Steel sphere
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 56
Open questionXE-CMCQ2 marksNeeds review
TTT diagram of a eutectoid steel is shown below. Match the heat treatment cycle (in Column I) with its microstructure (in Column II).
Column I: P, Q, R (cycles indicated in the diagram). Column II: 1. Bainite only; 2. Pearlite only; 3. Pearlite + Bainite + Martensite; 4. Pearlite + Martensite.
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 57
Open questionXE-CMSQ2 marksNeeds review
Which of the following statement(s) is/are true for an optical microscope?
Your answerSelect all correct options. You can choose more than one.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 58
Open questionXE-CMSQ2 marksNeeds review
Among the 14 Bravais lattices, there is no base centred cubic unit cell. Which of the following statement(s) is/are true?
Your answerSelect all correct options. You can choose more than one.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 59
Open questionXE-CMSQ2 marksNeeds review
Specific heat (
) of a material was found to depend on temperature as shown below. Which of the following statement(s) is/are true? 
Your answerSelect all correct options. You can choose more than one.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 60
Open questionXE-CNAT2 marksNeeds review
A pure Silicon wafer is doped with Boron by exposing it to B₂O₃ vapour at an elevated temperature. It takes 1000 seconds to reach a Boron concentration of
at a depth of 1
m. The time taken to reach the same concentration of Boron at a depth of 2
m is (in seconds): ________ (rounded off to nearest integer)Given: Boron concentration on the wafer surface remains constant.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 61
Open questionXE-CNAT2 marksNeeds review
The Young’s modulus of a quartz piezoelectric crystal is 100 GPa. The uniaxial stress required to change its polarization by 1% is (give absolute value in GPa) ________ (rounded off to nearest integer)
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 62
Open questionXE-CNAT2 marksNeeds review
A one-dimensional nanowire has a linear electron density of
. The Fermi energy of the system is (in eV) ______ (rounded off to two decimal places)Given:
where ‘m’ is the mass of an electronLog in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 63
Open questionXE-CNAT2 marksNeeds review
Two moles of a monoatomic ideal gas at 10 atm and 300 K is expanded isothermally and reversibly to a pressure of 2 atm. The absolute value of work done by the system is (in kJ) __________ (rounded off to two decimal places)
Given: R = 8.31 J mol⁻¹ K⁻¹, 1 atm = 101 kPa
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer