7.3.6

Q1.    Temporary clamps  such as the carriage clamp commonly called the……….. are used to position components while fixing them together.

a)        Caliper

b)        Punch

c)        C clamp

Q2.    The C clamp is shaped like a large C and has ………main parts

a)        two

b)        three

c)        four

Q3.    ………… are another clamping device that hold the workpiece in place and allow work to be done on it with tools such as saws and drills

a)        Vises

b)        Scriber

c)        Straightedge

Q4.    The vise consists of ……….. fixed or adjustable jaws that are opened or closed by a screw or a lever.

a)        two

b)        three

c)        four

Q5.    Two of the most commonly used vises are the

a)        C clamp and swivel screw

b)        machinist vise and the utility vise

c)        C clamp and carriage clamp

Q6.    ………… are used to locate centers for drawing circles  to start holes for drilling  to punch holes in sheet metal  to transfer location of holes in patterns  and to remove damaged rivets  pins or bolts

a)        Chisels

b)        Punches

c)        Drills

Q7.    Two types of punches are  generally used

a)        Solid or hollow punches

b)        Tapered shank and straight shank

c)        Straight and sharp  point

Q8.    ………………… are used to place reference marks on metal.

a)        Prick punches

b)        Drifts

c)        Centre punches

Q9.    Large indentations in metal  which are necessary to start a twist drill  are made with a ……………

a)        Drifts

b)        Prick punches

c)        Centre punches

Q10. A center punch has a ……….. body than a prick punch and is ground to a point with an angle of about 60

a)        heavier

b)        lighter

c)        same