| 51 |
Which screw has no head at all and is used to prevent a pulley from slipping on a shaft? |
Engineering Graphics
Screws |
Easy |
| 52 |
A screw head must finish flush with the surface of a plate. Which screw should be used? |
Engineering Graphics
Screws |
Easy |
| 53 |
How is a hexagonal socket head screw tightened? |
Engineering Graphics
Screws |
Medium |
| 54 |
What is the main difference between a machine screw and a bolt? |
Engineering Graphics
Screws |
Medium |
| 55 |
A designer needs a screw that can be sunk in a counterbored hole and tightened firmly where there is no room … |
Engineering Graphics
Screws |
Hard |
| 56 |
Which type of fastener is a rivet? |
Engineering Graphics
Rivets |
Easy |
| 57 |
Which rivet head is the most commonly used, with a rounded cup shape? |
Engineering Graphics
Rivets |
Easy |
| 58 |
Using the proportions head diameter 1.6D and head height 0.7D, what is the head diameter of a snap head rivet… |
Engineering Graphics
Rivets |
Medium |
| 59 |
Which rivet head should be chosen when the outer surface of a ship's plating must remain smooth? |
Engineering Graphics
Rivets |
Medium |
| 60 |
A rivet head projects above the plate and is shaped like a frustum of a cone, with its larger end resting on … |
Engineering Graphics
Rivets |
Hard |
| 61 |
Why is an open bearing convenient for fitting a shaft? |
Engineering Graphics
Open bearing |
Easy |
| 62 |
The liner of an open bearing is usually made of which material compared with the shaft? |
Engineering Graphics
Open bearing |
Easy |
| 63 |
What is the purpose of the collars at the ends of the liner in an open bearing? |
Engineering Graphics
Open bearing |
Medium |
| 64 |
In a sectional assembly drawing of an open bearing, the body and liner are both cut. How should they be hatch… |
Engineering Graphics
Open bearing |
Medium |
| 65 |
A bearing is needed for a slow shaft whose load acts only downward, and fitting must be easy. A student propo… |
Engineering Graphics
Open bearing |
Hard |
| 66 |
How is a shaft fitted into a bush bearing? |
Engineering Graphics
Bush bearing |
Easy |
| 67 |
Why is a replaceable bush fitted in the body of a bush bearing? |
Engineering Graphics
Bush bearing |
Easy |
| 68 |
What prevents the bush of a bush bearing from rotating with the shaft? |
Engineering Graphics
Bush bearing |
Medium |
| 69 |
Where is the oil hole of a bush bearing usually drilled? |
Engineering Graphics
Bush bearing |
Medium |
| 70 |
Why might the bolt holes in the base of a bush bearing be made elongated rather than round? |
Engineering Graphics
Bush bearing |
Hard |
| 71 |
A sleeve and cotter joint is used to connect which kind of members? |
Engineering Graphics
Sleeve and cotter joint |
Easy |
| 72 |
How many cotters are used in a sleeve and cotter joint? |
Engineering Graphics
Sleeve and cotter joint |
Easy |
| 73 |
Why is a small taper given to the cotter in a cotter joint? |
Engineering Graphics
Sleeve and cotter joint |
Medium |
| 74 |
Why are the ends of the rods enlarged in a sleeve and cotter joint? |
Engineering Graphics
Sleeve and cotter joint |
Medium |
| 75 |
In a sleeve and cotter joint, the slots are made with a small clearance on one side of each cotter. What is t… |
Engineering Graphics
Sleeve and cotter joint |
Hard |
| 76 |
A gib and cotter joint is typically used for joining rods of which cross-section? |
Engineering Graphics
Gib and cotter joint |
Easy |
| 77 |
In assembling a gib and cotter joint, which part is inserted into the slot first? |
Engineering Graphics
Gib and cotter joint |
Easy |
| 78 |
What is one main function of the gib in a gib and cotter joint? |
Engineering Graphics
Gib and cotter joint |
Medium |
| 79 |
Why do the gib and cotter together give better bearing in the slot than a cotter alone? |
Engineering Graphics
Gib and cotter joint |
Medium |
| 80 |
A student draws a gib and cotter joint with the gib's tapered face against the slot and its straight face aga… |
Engineering Graphics
Gib and cotter joint |
Hard |
| 81 |
What is the main purpose of a turnbuckle? |
Engineering Graphics
Turnbuckle |
Easy |
| 82 |
What threads are provided at the two ends of a turnbuckle body? |
Engineering Graphics
Turnbuckle |
Easy |
| 83 |
A turnbuckle has single-start threads of pitch 2.5 mm. By how much does the distance between the rod ends cha… |
Engineering Graphics
Turnbuckle |
Medium |
| 84 |
Why are lock nuts fitted on the rods of a turnbuckle? |
Engineering Graphics
Turnbuckle |
Medium |
| 85 |
A tie rod needs to be shortened by 24 mm using a turnbuckle with pitch 3 mm single-start threads. How many fu… |
Engineering Graphics
Turnbuckle |
Hard |
| 86 |
What is the function of the gasket in a flanged pipe joint? |
Engineering Graphics
Flanged pipe joint |
Easy |
| 87 |
On what line are the bolt hole centres of a pipe flange located? |
Engineering Graphics
Flanged pipe joint |
Easy |
| 88 |
A flange has 8 equally spaced bolts. What is the angle between the centres of adjacent bolts, measured at the… |
Engineering Graphics
Flanged pipe joint |
Medium |
| 89 |
In a sectional assembly drawing of a flanged pipe joint, which parts are left unhatched even though the cutti… |
Engineering Graphics
Flanged pipe joint |
Medium |
| 90 |
Six bolts are equally spaced on a pitch circle of diameter 200 mm. What is the straight-line distance between… |
Engineering Graphics
Flanged pipe joint |
Hard |