Engineering Metrology Mock Test 8

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Question 1 of 10

1. What is a cyclic error?

Mean value of the range of variation in the kinematic error of the gear taken for all cycles during one revolution

Mean value of the discrete values of variation in the kinematic error of the gear taken for all cycles during one revolution

Mean value of the range of variation in the angular error of the gear taken for all cycles during one revolution

Mean value of the range of variation in permissible deviations in basic pitch of the gear taken for all cycles during one revolution

Question 1 of 10

Question 2 of 10

2. Which of the following option is true for given statements about gear measurement?
Statement 1: There is no effect of cutter accuracy on the accuracy of gear.
Statement 2: Accuracy of individual elements is necessary for precision gears.

F, T

F, F

T, T

T, F

Question 2 of 10

Question 3 of 10

3. What is worm lead in worm and worm gear?

N_w x p_x

N_w / p_x

N_w x 4p_x

N_w x 2p_x

Question 3 of 10

Question 4 of 10

4. What is the compensation for angle error?

ΔE=p*ΔΘ/50

ΔE=p*ΔΘ/100

ΔE=3p*ΔΘ/100

ΔE=p*ΔΘ/200

Question 4 of 10

Question 5 of 10

5. For a diameter of 20mm, several pitches given are 1, 1.5, 2 and 2.5mm. Which of the following is coarse pitch?

1mm

2.5mm

2 and 2.5mm

1.5, 2 and 2.5mm

Question 5 of 10

Question 6 of 10

6. What is the permissible error in working accuracy of cylindrical turning when a job is held between centers when a practical test is performed?

0.01mm/100mm

0.02mm/300 mm

0.01mm/300 mm

0.02mm/100 mm

Question 6 of 10

Question 7 of 10

7. Which of the following is true for eccentricity?

Equal to the axial run-out

Half the axial run-out

Half the radial run-out

Equal to the radial run-out

Question 7 of 10

Question 8 of 10

8. What is the permissible error for internal taper for true running nearest to spindle nose?

0.02mm - 0.045mm 0.04 mm

0.1mm - 0.25mm 0.02 mm

0.0mm - 0.025mm 0.01 mm

0.01mm - 0.025mm 0.03 mm

Question 8 of 10

Question 9 of 10

9. What is the standard value of clearance? (Where, m is module)

0.182 x m

0.572 x m

0.157 x m

0.821 x m

Question 9 of 10

Question 10 of 10

10. How bearing contact of mating gears is represented?

By the relative size of the bearing contact pattern in meter

By the relative size of the bearing contact pattern in cm

By the relative size of the bearing contact pattern in mm

By the relative size of the bearing contact pattern in percent

Question 10 of 10