This set of Engineering Metrology Multiple Choice Questions & Answers (MCQs) focuses on “Master Height Gauges”.
1. Which of the following is true for master height gauges?
a) This is a stack of slip gauge blocks
b) Can store readings in memory
c) Less skilled labour
d) Has statistical production control
View Answer
Explanation: Master height gauge is basically a stack of gauge blocks with a robust housing. They can be used with riser blocks. A simple master height gauge cannot store measurements in memory.
2. How much measuring capacity is increased by using riser blocks with master height gauge?
a) 500 mm
b) 600 mm
c) 700 mm
d) 800 mm
View Answer
Explanation: Riser blocks are used to adjust the height. With master height gauges it can increase measuring capacity up to 600 mm.
3. Which of the following option is correct for given statements?
Statement 1: Master height gauge is useful in setting other height gauges.
Statement 2: Can provide a BCD output.
a) Only statement 1 is true
b) Both the statements are true
c) Only statement 2 is true
d) Both the statements are not true
View Answer
Explanation: Master height gauge is used for setting height gauges and provides a high precision standard. BCD output can be provided by electronic digital readout height gauge.
4. Which attachment is needed to check squareness and parallelism with master height gauge?
a) Dial test indicator
b) Gauge block
c) Slip rings
d) Micrometer
View Answer
Explanation: If dial test indicator or lever is attached to master height gauge then this unit can be used to check parallelism and squareness.
5. Master height Gauge is used to measure ________
a) Hole location
b) Groove widths
c) Pitches
d) Concentricity
View Answer
Explanation: Master height gauges can be used as a height standard to measure hole location, a width of groove, pitches etc. To check concentricity universal measuring instrument is a more accurate device.
6. Which of the following is incorrect about master height gauges?
a) Can provide a high precision standard
b) It has a digital readout
c) Has a sliding attachment
d) Built-in microprocessor
View Answer
Explanation: There is no microprocessor and micro switch in master height gauges. A master height gauge has a rectangular column with a sliding attachment.
7. Which of the following option is correct for given statements?
Statement 1: Master height gauge can store measurement in memory.
Statement 2: Functioning of master height gauges is slower than electronic digital readout height gauge.
a) T, F
b) F, F
c) T, T
d) F, T
View Answer
Explanation: Master height gauges are relatively slower than electronic digital read out height gauges. They require more skilled operators.
8. What is the difference between surface gauge and height gauge?
a) Only surface gauge is used on a surface plate
b) Height gauge has a heavy base
c) Height gauge has a measuring head
d) Surface gauge has a smooth and flat base
View Answer
Explanation: In toolroom applications, the difference between both is, surface gauge has a scriber point and height gauge has a measuring head.
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