February theory test

What is the advantages of wing nut

• Provide decorative appearance

• Heavy duty assembly work

• Loosen and tighten without wrench

• In coach building work

What is the file for lock repair and filling for hard notches in key

• Warding

• Flexible

• Swiss pattern

• Piller file

What is used for placing the instrument during working

• Felt pad

• Cloth

• Sheet steel

• Wooden blank

What is the use of rifflers file

• Mould making work

• Ward notches filing

• Silversmiths work

• Lock repair

What is the use of tab washer

• Locking the nut from top

• Locking the nut from bottom

• Locking the nut at corner

• Locking the nut at centre

What is the use of check nut

• Less strength places

• Frequent adjustment places

• Better appearance

• More strength places

What type of nuts are used in coach building work

• T nuts

• Square nuts

• Wing nut

• Cap nut

What is the use of swiss pattern file

• Tool room work

• Die sinking work

• Intricate parts

• Narrow work

Which key is used for transmitting light torque

• Feature key

• Saddle key

• Gib head key

• Woodruf key

What will be the effects on the fit

If the pitch of the thread is less than the actual size

• Transmission fit

• Inteferance fit

• Not possible to fit

• Clearance fit