146. Which method is often used to detect external defects in welded metals?

40. What is the purpose of annealing the steel?

151. When using a hand held hacksaw the correct maximum rate of speed for cutting should be:

64. A side from welding, the best material to use in bonding pipes carrying low temperature liquids or fluids is

105. When the object you are cutting using a hand hacksaw is about to separate, how should you handle the hand hacksaw?

115. Which of the following process will a hacksaw blade start a cut more easily ?

166. When using centre lathe, why should you use short sleeves or close fitting sleeves be worn?.

133. A crack, located in the shell plating or deck plating of a ship, may be temporarily weld repair from increasing in length by.

2. What is the end of shaft condition before the maintenance repair is carried out?

65. Which compound gauge measures pressure indicated on both high and low on outside pressure?

136. Which is the best indicator that a bearing is being properly lubricated ?

160. When copper plates are used for making gaskets, it is usually annealed by heating red cherry color, what is the complete process ?

148. When a lathe is used for thread cutting, which determines the number of threads per inch produced by the lathe speed?

56. When steel, cast iron, or other metals with surface scale are being turned, what roughing cut should be taken first?

104. What is the purpose of improving the characteristics of a metal, especially steel, by heating it to a high temperature, though below the melting point, then cooling it, usually in air ?

118. A hard brittle substance that are insoluble in water is called ?

114. Which of the listed metals can usually be drilled without lubrication ?

7. Which of the following hand taps are recommended in cutting internal threads on a blind hole?

157. In order to prevent overheating of the packing in the stern tube stuffing box,

99. Which of the following sensing device in a pressure gauge using the Bourdon principle?

86. Which of the fittings should be used for installation of piping to permit removal of the pump for servicing?

101. What do you call that instrument use to take misalignment of the crankshaft?

46. Which of the following spanners is preferable to use?

36. After removing an old set of of rings, which of the following conditions is indicated if a bright spot is found on each end of a broken piston ring?

129. When tightening the nozzle nut of fuel injector , which of the following tools is used?

74. If a drill press is used to completely bore through a metal plate, feed pressure on the drill bit should be eased as the bit braks through the bottom of the hole to prevent

90. If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the

67. What is the primary use of a soft-faced hammer or mallet?

17. The lower water seal on a diesel engine wet cylinder liner must allow for liner expansion and contraction. This seal is most commonly a

112. wHich one of the list should a flat chisel is the proper tools used for cutting?

120. Why should two pipe joints be properly align before being connected?

48. Accidental ground in a shipboard electrical system must be repaired as soon as possible as they will

164. To safely remove the piston rod packing from the steam end of a reciprocating pump, you should

135. Which one of the following measured with a pyrometer?

83. A diesel engine fails to start due to excessive water in the fuel. Which items on the list where the water should removed before the engine can be started ?

18. What is the complete process when copper plates are used for making gaskets that is usually annealed by heating red cherry color?

147..To avoid deformationwhen cutting thin sheet metal while using a handheld hacksaw, it should be placed between two

79. Which of the following kind of metal is ductile and maleable that can be ccorroded by air or water ?

92. What machine which can flatter surface on horizontal, vertical or angular plane?

3. Why should two pipe joints be properly aligned before being connected?

5. The blade for a power hacksaw should be installed with the teeth:

68. How would you checked the alignment of coupling faces ?

171. An O-ring seal in a hydraulic system will begin to leak when it has lost its interference fit due to

20. Which of the files listed will have coarsely spaced teeth?

69. Which drill size would you use to machine and tap a 3/4 -10 National Coarse internal thread?

87. The best method of fixing a winch motor bearing of the sealed type tha is running hot is to

91. What is the end of shaft condition before the maintenance repair is carried out?

128. Which of these metals can be drilled without lubrication ?

47. Babbit metal is used to make ?

126. In electric arc welding, what purpose does the electrode coating serve? .

174. What is the terms rough, coarse, bastard, second cut smooth and dead smooth refer to?

66. What is the cause of a bluish smoke observed in the exhaust of an operating diesel engine?

111. What should you avoid increased pressure on a drill as the drill point begins to break through the bottom of the work piece?

33. A centrifugal pump vibrates excessively during operation, Upon dissasembling the pump it is found that the impeller is out of balance. Without an available spare, you should

12. A follower rest should make use of a lathe to machine.

138. A dial indicator is used to measure ?

142. Which of the listed types of gasket material should be used on high pressure fuel oil lines in a diesel engine ?

4. What precaution should be followed when using a chisel having a mushroom head?

180. Which material can be drilled at the highest speed?

152. Labyrinth seals used to reduce leakage around a turbine shaft are constructed of

177. What do you call a lathe dog fitted with a headless set screw?

156. To minimize corrosion, fuel oil strainerdisks spacers blades are made of ?

54. Which one of the following files types are always Mill files?

63. Which of the following process of annealing copper plates that are used for gaskets?

61. If a centrifugal pumps delivers insufficient discharge pressure due to worn wear rings, what corrective action is called for?

165. During cutting in milling when the chips begin to produce long and continuous, it is best that the feed is

58. Pipe threads are made of what tools are you use?

106. Safety valve gags should only be installed hand tight in order to prevent:

95. To repair a small electrical motor that has been submerged in salt water, you should,

100. After using a pipe cutter to cut a piece of pipe, the inside edge of the pipe should be

27. How do you make it easier for a hand hacksaw to cut a work piece?

22. When the timing gear backlash for a Roots-type blower has become excessive, the problem is properly repaired by.

96. What saw is more suitable for cutting metal in tight quarters ?

149. Kinetic energy is associated with ?

8. Which of the followwing indicator is used to determine the hardness of a grease?

116. Which of the following method listed would be most effective in repairing a steam cut on a seating surface of a super heater hand hole plate?

113. Tubing is sized by:

88. The gasket and the broken studs have been replaced on a tank manhole cover. Which of the following methods is satisfactory for testing the repai?

145. What tool has to be used for enlarging a hole after a drilling operation?

77. Packing rings installed on auxiliary turbines are lubricated by

29. When repacking a stuffing box fitted with a lantern ring, which of the following precautions should be observed?

98. What kind of non-metallic mineral material which can withstand very high temperature and unaffected by steam petrol, paraffin, fuel, oil and lubricants?

170. If you are cutting external threads by hand and you start the die at an angle, what will happen to the external threads ?

37. Stainless steel is an alloy composed mainly of ?

35. The term refering to the number of teeth per inch on a hacksaw blade is known as the ?

179. Why must a close fitting, buttoned up overall be worn using a lathe?

60. Copper gaskets are usually annealed by heating to red hot cherry and should be ?

72. When it necessary to open a refrigeration system for repairs and the system will be open for more than a few minutes, the open ends of the system should be

19. What is this kind of metal which is light, strong and corrosion -resistant used as the plate material in plate-type heat exchanger ?

161. What is the fusion of two metals joined together to produce a strong bind as one metal?

75. Small leaks in gaskets should be stopped immediately after installation because

163. If the drill point lips are ground at different angles, the drill will ?

80. Used to reduce cargo pump leakage to the pump room bilge of a tanker ship is the

14. When drilling hole in a piece of work chuked in a lathe you should mount the drill chunk in the_

123. What tool is mainly used in cutting metals?

108. When saw blades are fixed in hand-held hacksaw frame,which of the following can move forward and reverse stroke?

31. When using centre lathe, why should you short sleeves or close fitting sleeves be worn?

32. Before using an all-purpose electric measuring instrument (multimeter) utilizing internal batteries to supply power for resistance measurements, you should first

53. For safety of the piping systems, what characteristic of gasket is most advisable to use?

127. This method is used for joining sheet metal and for attaching studs, rods and busses, etc., to plates