Metalwork - Exam Papers - OL - Paper - 1999

(a) A hole drilled before tapping is called a : Pilot Hole
Tapping Hole
Clearance Hole
Blind Hole
(b) The point of the scriber is ground at an angle of : 30°
90°
118°
180°
(c) This marking out tool is a(n) : Spring Dividers
Odd Leg Callipers
Inside Callipers
Outside Callipers
(d) This instrument is a(n) : Feeler Gauge
Screw Pitch Gauge
Wire Gauge
Engineer's Protractor
(e) This mallet head is made from : Mild Steel
Rawhide
Boxwood
Copper
(f) This forging technique is called : Upsetting
Hammering
Drawing Down
Forming an Eye
(g) This sheet metal joint is a : Wired Edge
Round Edge
Beaded Edge
Curved Edge
(h) This technique is called : Raising
Planishing
Hollowing
Mottling
(i) Before use, new soldering irons must be : Hardened
Tempered
Tinned
Annealed
(j) Part 'X' is called a : Lock Nut
Wing Nut
Thumb Screw
Grub Screw
(k) Part 'X' is called the : Crest
Root
Flank
Pitch
(l) A micrometer can measure to an accuracy of : 1mm
0.1mm
0.5mm
0.01mm