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MCQ
221. Which of the following is incorrect about fetler gauge?
Feeler gauge can be used to check spark play gaps
A feeler gauge has number of blades of equal thickness
Blades are hinged in a sheath
Each thin blade is inter-leaved between two thick blades
222. Which of the following instrument is of the highest accuracy?
Digital length gauge
Inside micrometer
Universal measuring instrument
Universal height micrometer
226. Which of the following option is correct for given statements about universal measuring instrument? Statement 1: There is a rack and pinion movement in measuring slide. Statement 2: An independent power supply unit is screwed to the base.
Only statement I is true
Only statement 2 is true
Both the statements are true
Both the statements are not true
229. What is the difference between surface gauge and height gauge?
Only surface gauge in used on a surface plate
Height gauge has a heavy base
Height gauge has a measuring head
Surface gauge has a smooth and flat base
230. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes is-
outside micrometer
inside micrometer
combination set
vernier caliper
234. Why a radius is provided at the meeting point of two surfaces?
To reduce material
To avoid collision
To increase stability
To avoid stress concentration
235. Which of the following is correct about electronic display unit of universal measuring instrument?
Sensitive to electrical interference
Non-removable
Cast iron protection cover
It is plug-in type
238. Which of the following is incorrect about master height gauges?
Can provide a high precision standard
It has a digital readout
Has a sliding attachment
Built-in microprocessor