LET: TLE Part 23

This is the Multiples Choice Questions Part 23 of TLE. In preparation for the LET Exam, practice, and familiarize every question we have, it might be included in the actual examination. Good luck.

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TLE Part 23

1. In the field of drafting each line has a specific meaning. This is to establish a uniform way interpreting complex blueprints of objects and other mega projects. These lines are called ______.

a. alphabet of lines

b. alpha numeric lines

c. language of lines

d. lines of sight

Answer: a

2. Based on a blueprint, a machinist is about to drill a form 16mm diameter holes a piece of 100mm x 120mm flat bar. Which lines in the alphabet of lines mist look first?

a. hidden line

b. phantom line

c. centerline

d. section line

Answer: c

3. When a drawing the different views in orthographic projection a drafter must acknowledge that there are hidden edges that must be emphasize in order to produce a complete drawing information.

Which line is he going to use?

a. hidden line

b. section line

c. center line

d. object line

Answer: a

4. A drawing teacher on a local high school was discussing a feature on which the surface appears to have been imaginary cut along plane line. Which line is she going to apply to the surface where the cutting plane cut through?

a. center line

b. dimension line

c. section line

d. invisible line

Answer: c

5. There are six principal views of an object; the top view, the front view, right side view, left side view, right side view, bottom view and the rear views. Which of the following views are accepted by the industry as standard multi-views according to the 3rd angle projection?

a. top view, the front view, right side view, left side view

b. side view, bottom view, and rear views

c. right side view, left side view, and bottom views

d. front view, rear view, side views

Answer: c

6. A group of students is experimenting on views on orthographic projection. They extract first the front view of a simple object using a transparent material as discussed by their teachers. What technique are they using?

a. glass box technique

b. onion skin technique

c. Japanese paper technique

d. polycarbonate technique

Answer: a

7. Orthographic projection goes farther than right angle. A drafter can actually extract views for more details of the object provided that the projection are parallel to each other and normal to the plane projection. The additional plan is called ______.

a. frontal plane

b. auxiliary plane

c. profile plane

d. horizontal plane

Answer: a

8. All of the object have distinct limits which can be considered as the withs, depth and height. So when a drafter is working on the difference in elevation between any two points, measured as the perpendicular distance between a pair of horizon lines, he is now engaged in the _______ of the object.

a. depth

b. height

c. width

d. bottom

Answer: b

9. When an engineer is engaged in the preparation of views prior to formal drafting activities, he practically bases his information on actual and accurate observation. This process is regarded as ______.

a. pencil and paper exercise

b. glass box technique

c. orthographic sketch

d. order of drawing

Answer: c

10. After all the view are given the drafter must know now work on the real form of the objects based on actual result of the orthographic projection. This process is called _______.

a. pictorial drawing

b. depth dimensions

c. heigh dimension

d. center dimension

Answer: c

11. In isometric drawings the angle used to aid in the construction of the object is 30 degrees and all vertical lines are equal to their actual lengths or scale but in oblique drawing the angle used is ______.

a, 40 degrees

b. 45 degrees

c. 30 degrees

d. 60 degrees

Answer: a

12. In oblique drawing, the depth of the object is reduced to 1/2 in case of cabinet oblique, 3/4 in case of a general oblique, and true or same measurement in ______ oblique

a. with

b. cavalier

c. specific

d. object

Answer: c

13. Which technique is commonly used around the world as a graphic method of representing a-3-dimensional object and intended to combine the illusion of depth, with the undistorted presentation of the object principal dimensions?

a. cavalier oblique

b. Isometric drawing

c. Cabinet oblique

d. General oblique

Answer: b

14. When an observer stands in the middle of a street, the end of the street seems the narrow as far as his eyes can see. then he tries to draw the building as its appears on his visual observations.

The process is called _______.

a. perspective drawing

b. isometric drawing

c. diametric drawing

d. cabinet drawing

Answer: b

15. A student in drafting has done drawing the three views, his next task is to indicate the dimensions to complete the information. What is the distance of the first dimensions from the views?

a. 1″

b. 2″

c. 1/8″

d. 1/2″

Answer: b

16. There is a good reason why we shouldn’t place dimension directly on the drawing itself. This is to avoid ______.

a. super dimensioning

b. overcrowding dimensions

c. inaccurate dimensions

d. aligned dimensioning

Answer: d

17. The radius of an arc should always be specified by the drafter in the form of a symbol which denotes ______.

a. R

b. r

c. rad

d. ra

Answer: b

18. It is important for the drafting student to place the overall dimension of a part or view to appear more pleasing to the reader. It is placed starting from the ______.

a. shortest dimension line outside the views

b. longest dimension line outside the view

c. longer dimension inside the view

d. shorter dimension inside the view

Answer: a

19. Some drafters often place dimensions on every view while this may be permitted in some drafting classes let’s keep in mind that these are repetitions and can be avoided. This is referred to as ______.

a. superfluous dimensioning

b. unidirectional dimensioning

c. aligned dimensioning

d. tolerance dimensioning

Answer: a

20. In the rule of section drawing. All visible edges exposed by the cutting plane line must be emphasized and a series of lines can be drawn. This process I called ______.

a. filling-up of section lines

b. eliminating hidden lines

c. eliminating object lines

d. symmetric objects

Answer: a

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