Mechanical Engineering CBT Mock Test - Set 16

Mechanical Mock Test - Set 16

---

Today, all competitive exams are Multiple Choice Questions(MCQ) based examination system and the main factor is to answer each question in a prescribed time. So, practice as much as possible before the original test you are going to face.

Total number of Multiple Choice Question (MCQ) is 15 and time allotted for each question is 30 seconds. After the allotted time, the question will be marked as un-attempt.

Test Conducted by: ObjectiveBooks.com

---

 Next Mock Tests:

Set 01

Set 02

Set 03

Set 04

Set 05

Set 06

Set 07

Set 08

Set 09

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

Set 22

Set 23

Set 24

---

View Test Result:

01. When α is absorptivity, ρ is reflectivity and τ is transmissivity, then for a diathermanous body,
     (A) α = 1, ρ = 0 and τ = 0
     (B) α = 0, ρ = 1 and τ = 0
     (C) α = 0, ρ = 0 and τ = 1
     (D) α + ρ = 1 and τ = 0
     Answer: Option D

02. When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be
     (A) Horizontal
     (B) Nearly horizontal
     (C) Steep
     (D) First rise and then fall
     Answer: Option B

03. Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler
     (A) Increases
     (B) Decreases
     (C) Remain unaffected
     (D) First increases and then decreases
     Answer: Option B

04. The usual value of the helix angle of a drill is
     (A) 20°
     (B) 30°
     (C) 45°
     (D) 60°
     Answer: Option B

05. The specific humidity during heating and humidification process.
     (A) Remains constant
     (B) Increases
     (C) Decreases
     (D) None of these
     Answer: Option B

06. Histogram is
     (A) A set of rectangles
     (B) A line graph of class frequency plotted against class marks
     (C) A bell shaped smooth curve
     (D) None of the above
     Answer: Option A

07. The discharge through a reaction turbine with increase in unit speed
     (A) Increases
     (B) Decreases
     (C) Remain unaffected
     (D) First increases and then decreases
     Answer: Option B

08. The most important function of inventory control is
     (A) Stock control system
     (B) To run the stores effectively
     (C) Technical responsibility for the state of materials
     (D) All of the above
     Answer: Option D

09. Central tendency of population is measured in units of
     (A) Standard deviation
     (B) Arithmetic mean
     (C) Standard variable
     (D) Square of standard deviation
     Answer: Option B

10. In order to permit the thermal expansion/contraction of tubing, it should be
     (A) Crimped
     (B) Honed
     (C) Flared
     (D) Bent
     Answer: Option D

11. Setscrews are
     (A) Similar to tap bolts except that a greater variety of shapes of heads are available
     (B) Slotted for screw driver and generally used with a nut
     (C) Used to prevent relative motion between parts
     (D) Similar to studs
     Answer: Option C

12. The V-belts are particularly suitable for __________ drives.
     (A) Short
     (B) Long
     (C) Both A and B
     (D) None of these
     Answer: Option A

13. Those substances which have so far not been resolved by any means into other substances of simpler form are called
     (A) Elements
     (B) Compounds
     (C) Atoms
     (D) Molecules
     Answer: Option A

14. Which is false statement about annealing? Annealing is done to
     (A) Relieve stresses
     (B) Harden steel slightly
     (C) Improve machining characteristic
     (D) Soften material
     Answer: Option B

15. Gear finishing operation is called
     (A) Shaping
     (B) Milling
     (C) Hobbing
     (D) Burnishing
     Answer: Option D

---