Kerala PSC Overseer Grade III / Draftsman Grade II Solved Question Paper - Questions 51–75 - Qp code: 139/2025 ( Set A )
Kerala PSC Overseer Grade III / Draftsman Grade II Solved Question Paper (139/2025) - Set A - Questions 51–75
Prepare for Kerala PSC Overseer Grade III and Draftsman Grade II exams with this previous question paper (Set A). Practice all questions and improve your exam readiness.
Post Name: Overseer Grade III,Draftsman Grade II
Category Code: 033/2024,234/2024
Question paper code:139/2025
Medium: English
Duration: 90 minutes
Exam Date: 30-October-2025
Questions 51–75
-
What is the other name of circulation in the same floor?
- A) Vertical circulation
- B) Air circulation
- C) Horizontal circulation
- D) Winding circulation
-
The placing of various rooms or units of a structure in proper correlation of their functions and in due proximity with each other is known as
- A) Circulation
- B) Aspect
- C) Grouping
- D) Prospect
-
What is the printed list of rates of various items of work maintained by the engineering department?
- A) Item rates
- B) Market rates
- C) Analysis of rates
- D) Schedule of rates
-
The intensity of pressure for a fluid at rest is equal in all directions. This fact is known as
- A) Pascal's law
- B) Boyle's law
- C) Newton's law
- D) Charles' law
-
A manometer is used to measure
- A) Velocity of liquid
- B) Atmospheric pressure
- C) Pressure in pipes and channels
- D) Centre of gravity
-
The specific weight of water in S.I. units is
- A) 1000 N/m³
- B) 10000 N/m³
- C) 9.81 × 10³ N/m³
- D) 9.81 × 10⁶ N/m³
-
Which of the following is a non-rigid dam?
- A) Concrete
- B) Rock fill
- C) Gravity
- D) Arch
-
Which element of a hydroelectric power plant reduces the water hammer pressure formed in the penstock?
- A) Valves
- B) Surge tank
- C) Turbines
- D) Draft tubes
-
What is the first watering before sowing the crop?
- A) Kor watering
- B) Paleo
- C) Delta
- D) Duty
-
Where is the surplus water in a weir allowed to flow?
- A) Gates
- B) Crest
- C) Spillway
- D) Openings
-
Which cross drainage work is constructed to carry a canal over drainage?
- A) Aqueduct
- B) Super passage
- C) Canal syphon
- D) Level crossing
-
In which irrigation method is water supplied to lower levels by the action of gravity?
- A) Flow
- B) Lift
- C) Sprinkler
- D) Subsurface
-
The process of unfolding all the surfaces of an object on a plane is called
- A) Development of surfaces
- B) Pattern
- C) Intersection of surfaces
- D) Radial line developments
-
The development of a pyramid or cone is formed by
- A) Parallel line development method
- B) Approximate development method
- C) Radial line development method
- D) Triangulation development method
-
Which refers to the lines that occur when geometric surfaces such as planes, cylinders and cones intersect?
- A) Intersection of surfaces
- B) Development of surfaces
- C) Line of intersection
- D) Intersection of curves
-
As cylinders have curved lateral surfaces, the line of intersection between them will be
- A) Curved
- B) Straight
- C) Angular
- D) Helix
-
Radial line development has fold lines coming from a point known as
- A) Helix
- B) Parabola
- C) Apex
- D) Element
-
Which is the other name of pitch diameter?
- A) Outer diameter
- B) Minor diameter
- C) Major diameter
- D) Effective diameter
-
Choose the correct statement about thread angle.
- i. The included angle of acme thread is 29 degrees
- ii. The included angle of metric thread is 60 degrees
- iii. The included angle of BA thread is 28 degrees
- iv. The included angle of BSF thread is 55 degrees
- A) iii and iv
- B) ii and iii
- C) iv only
- D) ii and iv
-
Which nut has a slot cut halfway across the nut?
- A) Grooved nut
- B) Slotted nut
- C) Castle nut
- D) Swan nut
-
In which type of weld symbol should the arrow line point towards the plate that is prepared?
- A) Single V butt weld
- B) J butt weld
- C) Fillet weld
- D) Single U butt weld
-
Which statements are correct about welding joints?
- 1. Lap joint a. It is a joint between the edges of the parallel members.
- 2. Tee joint b. It is a joint between overlapping members.
- 3. Edge joint c. It is a joint located at right angles to each others.
- 4. Butt joint d. It is a joint between members lying in same plane.
- A) 1-b, 2-d, 3-a, 4-c
- B) 1-d, 2-a, 3-b, 4-c
- C) 1-b, 2-c, 3-a, 4-d
- D) 1-c, 2-a, 3-d, 4-b
-
Choose the correct statement about threaded fasteners.
- i. Machine screws are used where a close tolerance assembly is not required.
- ii. Machine bolts reused for general assembly work.
- iii. Cap screws are used when assembly requires more precise.
- iv. Set screws are used to prevent pulleys from slipping on shafts.
- A) i and iv
- B) ii and iv
- C) iii and iv
- D) iii only
-
Which type of foundation bolt is used for holding down large machines?
- A) Fixed type bolt
- B) Long cotter bolt
- C) Rawl bolt
- D) Eye foundation bolt
-
Which type of washer can be used for locking nuts located near an edge or corner?
- A) Lock washer
- B) Tab washer
- C) Spring washer
- D) Plain washer
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