Challenger App

No.1 PSC Learning App

1M+ Downloads
Which of the following is used for abrasion test:

AJunker's elastometer

BDorry testing machine

CPensky - Martens apparatus

DNone of the above

Answer:

B. Dorry testing machine


Related Questions:

If I is the perimeter of a closed traverse and ΔD is the closing error, the correction for departure of the traverse of side of length 'x' according to Bowditch's rule is :
Magnetic bearing of a line AB is S.32° E.What is the true bearing of the line, when the declination is 8° 16'
Cos (90° - A)
Scale used for two system of units measurement is:
Construction of flat arch skewback forms at an angle of