M

Mr. Dubey • 53.53K Points
Coach 

Q. Which of the following is true for the calibration of instruments?

(A) in casting and fabrication shops the measurements made are of more precise nature as compared to those made in machine shop and tool room
(B) periodical calibration is made for optical measuring instruments
(C) there is no need of periodic calibration in universal microscope
(D) preventive maintenance is not necessary for optical measuring instruments
Share
Explanation by: Mr. Dubey 
 in machine shop and tool room the measurements made are of more precise than those made in casting and fabrication shops, so instruments used in these shops require more frequent calibration. annual programme can be made for periodical calibration and for general preventive maintenance in optical measuring instruments like universal microscope.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. Which standard is fixed and used forindustrial laboratories?

Q. The percentage of nitrogen in air by weight is around

Q. Two lines L1 and L2 having Parametric equations are P1=[3 4 7]+u[2 2 -6] and P2=[1 5 -2]+u[1 4 2]. Tangent vector for line L1

Q. To produce the sharpest image, which of the following should be true?

Q. In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic

Q. Standard followed in Germany are known as

Q. Multiple threads are used to secure

Q. The necessary condition for the forces acting on a body to be in equilibrium is that these should be

Q. A prod method would be most sensitive to cracks:

Q. In Selective Laser Sintering, laser light is also being used.

Question analytics