chapter 4 - Angular Measurement

One degree is derived into___________

• 60 mins

• 36 sec

• 360 sec

• 3600 sec

Unit of angle derived from theoretical consideration___________

• Degree

• ɸ

• sterdian

• radian

protactors charecterstics is mostly similar with___________

• angle gauge

• bevel protactor

• both a and b

• none of the above

Bevel protactor is based on priciple of___________

• angular distorion

• bevel mechanism

• vernier calliper

• screw mechanism

Bevel can measure atleast___________

• 0.01 deg

• 0.05 deg

• 12/1*360 deg

• 1/12 deg

In priciple of line bar segment ɸ is___________

• cos p/b

• tan (l*h)

• sin (h/l)

• cosec (p/h)

Face standard angular measuring device is___________

• sine bar

• sine plate

• sine table

• sine centre

Sine centre is recommended for inspect ___________

• midpoint

• taper work

• conical work

• angular work

Angle of top of a polefrom earth surface is measured with___________

• autocollimators

• clinometer

• sprit level

• angle comparator

Accurate inspection for deviation of small angles is noticed with ___________

• slip gauge

• autocollimators

• cmm

• bevel protactors