Explore topic-wise MCQs in Mechanical Engineering Questions.

This section includes 125 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.

101.

What is error of circularity?
A. Distance between maximum inscribing circle and minimum circumscribing circle measured radially
B. Distance between maximum inscribing circle and minimum zone circle measured radially
C. Distance between least square circle and minimum zone circle measured radially
D. None of the above
Answer» B. Distance between maximum inscribing circle and minimum zone circle measured radially
Discussion
102.

Which of the following is tested for parallelism between trajectory and a plane?
A. plane is on a component which moves
B. plane is on a component which does not moves
C. both a. and b.
D. none of the above
Answer» D. none of the above
Discussion
103.

Which method is calculated considering geometric average of ordinates?
A. Centre line average method
B. Peak to valley height method
C. Root mean square method
D. All of the above
Answer» D. All of the above
Discussion
104.

Which sampling method is used when simple random sampling method becomes inconvenient to use in large lots?
A. systematic sampling
B. stratified sampling
C. cluster sampling
D. sampling in stages
Answer» C. cluster sampling
Discussion
105.

Maximum data handling analysis load is observed in
A. single sampling plan
B. double sampling plan
C. sequential sampling plan
D. all of the above
Answer» D. all of the above
Discussion
106.

In hole basis system, basic size is equal to
A. maximum hole size
B. minimum hole size
C. upper deviation which is zero
D. none of the above
Answer» C. upper deviation which is zero
Discussion
107.

Newall system is a type of
A. bilateral hole based system
B. limit system
C. both a. and b.
D. none of the above
Answer» D. none of the above
Discussion
108.

The Pitter - N.P.L. Gauge interferometer is used to measure
A. flatness
B. length
C. straightness
D. all of the above
Answer» C. straightness
Discussion
109.

What is quality assurance?
A. Quality assurance deals with activities which prove that products and services meet the required quality standard
B. Quality assurance deals with activities which aim at customers satisfaction
C. Quality assurance deals with controlling the quality of products by inspection
D. All of the above
Answer» B. Quality assurance deals with activities which aim at customers satisfaction
Discussion
110.

Which type of threads are used to transmit power in one direction?
A. Square threads
B. Buttress threads
C. Both a. and b.
D. None of the above
Answer» C. Both a. and b.
Discussion
111.

Which of the following errors are also known as cumulative errors?
A. Random errors
B. Systematic errors
C. Gross errors
D. System interaction errors
Answer» C. Gross errors
Discussion
112.

Which of the following statements is/are true? 1. Trend type of control chart pattern shows continuous movement of points upwards and downwards 2. Trend pattern occurs due to change in inspection method 3. Downward trend indicates wear of parts
A. Only 1
B. Only 2
C. Only 3
D. All of the above
Answer» B. Only 2
Discussion
113.

Which of the following statements is/are true? 1. Gross errors are known as compensating errors 2. Systematic errors are caused due to system interaction errors 3. Probability laws are followed by systematic errors
A. Only 1
B. Only 2
C. Only 3
D. All of the above
Answer» C. Only 3
Discussion
114.

Which of the following statements is/are false? 1. Fault tree analysis method is used to determine reliability of product 2. The goal of Six Sigma is to reduce number of defects to 2.4 parts per billion 3. Six sigma is represented by normal distribution curve 4. Poka yoke is a policy which prevents occurrence of human errors
A. Only statement 3
B. Statement 2 and statement 3
C. Statement 1, 3 and 4
D. Only statement 2
Answer» E.
Discussion
115.

Which type of tolerance does a slip gauge have?
A. Unilateral tolerance
B. Bilateral tolerance
C. Both a. and b.
D. None of the above
Answer» C. Both a. and b.
Discussion
116.

What is acceptance quality level?
A. Maximum percentage of defective parts for sampling purpose are considered satisfactory as a process average
B. Minimum percentage of defective parts for sampling purpose are considered satisfactory as a process average
C. Both A & B
D. None of these
Answer» B. Minimum percentage of defective parts for sampling purpose are considered satisfactory as a process average
Discussion
117.

Which of the following statements is true for LVDT?
A. It is a mutual capacitive transducer
B. Presence of hysteresis gives high repeatability
C. It can measure displacement and pressure
D. All of the above
Answer» D. All of the above
Discussion
118.

What does N, P and L mean in N.P.L. Gauge interferometer?

A. Nikon pulsed laser
B. Nuclear plasma laboratory
C. National Physics Laboratory
D. Nuclear physics laboratory
Answer» D. Nuclear physics laboratory
Discussion
119.

What is meant by hitch hiking?
A. procedure of secret voting to select the most appropriate idea
B. enlisting ideas in specific format considering similarities
C. ideas suggested based on other ideas
D. none of the above
Answer» D. none of the above
Discussion
120.

The aim of Just-In-Time manufacturing principle is to eliminate
A. time wastage
B. labour wastage
C. cost of excessive inventory
D. all of the above
Answer» E.
Discussion
121.

Calculate the taper angle, if 8 mm and 12 mm are the diameters of A and B balls respectively. Ball A is at a height of 25 mm from the horizontal ground surface and B at 15 mm.
A. 14.47°
B. 28.95°
C. 7.23°
D. None of the above
Answer» C. 7.23°
Discussion
122.

Which quality management program is related to the maintenance of plants and equipments?
A. Environmental management systems
B. Fault tree analysis
C. Failure mode effect analysis
D. Total productive maintenance
Answer» E.
Discussion
123.

Which of the following materials is/are used to make an angle gauge block?
A. Hardening tool steel
B. Nickel
C. Tungsten carbide
D. All of the above
Answer» E.
Discussion
124.

Which method gives accurate results when effective diameter is measured without considering the thread angle?
A. Two wire method
B. Three wire method
C. Best wire size
D. All the above
Answer» D. All the above
Discussion
125.

Which of the following instruments is used to measure base pitch of a gear in base tangent method?
A. Gear tooth vernier caliper
B. David Brown tangent caliper
C. David Brown tangent comparator
D. David Brown tangent micrometer
Answer» D. David Brown tangent micrometer
Discussion