March exam

What is the advantages of wing nut

• In coach building work

• Loosen and tighten without wrench

What is the use of check nut

• Better appearance

• Less strength places

Why square head screw provided with collar

• Provide leak proof joint

• Protect work surface

What is the use of drill gauge

• Check the length of the drill

• Check the dia of the drill

Which nut protect the bolt end thread from damage

• Cap nut

• Castle nut

What type of screw are used in the places were frequent removal and assembling

• Square head screw

• Cheese head screw

Which file used as finishing tool and ensure precision smoothness

• Swiss pattern file

• Dread nut file

What type of nuts are used in coach building work

• Square nuts

• Cap nut

What is the effect of reading bar type torque wrench viewing at an angle

• More error

• False reading

Which key is useful for fitting on tapered shaft

• Flat saddle key

• Woodruf key