Here we are giving previous questions of Engineering Assistants / Amenities Secretary exams conducted by AP Government for Grama Sachivalayam / Ward Sachivalayam posts. The questions are from Engineering subject of Part – B with key for those appearing these exams in 2020 and afterwards. These questions are from Sachivalayam exams 2019. We also have online exams / mock tests for all Grama Sachivalayam / Ward Sachivalayam exams. See details here.
Cold working of steel is defined as working
- at its recrystallisation temparature
- above its recrystallisation temparature
- below its recrystallisation temparature
- at two-thirds of the melting temparature of the metal
ANSWER: 3
In order to facilitate withdrawal of pattern
- the pattern is made smooth
- water is applied on pattern surface
- shrinkage allowance is made on pattern
- draft is provided on pattern
ANSWER: 4
NC contouring is an example of
- continuous path positioning
- point to point positioning
- absolutepositioning
- incremental positioning
ANSWER: 1
A toothpaste tube can be produced by
- solid forward extrusion
- solid backward extrusion
- hollow backward extrusion
- hollow forward extrusion
ANSWER: 3
If Poisson’s ratio of a material is 0.3, then the ratio of Young’s modulus to bulk modulus is
- 0.6
- 0.8
- 1.2
- 1.4
ANSWER: 3
For a beam of square cross section B X B, the location of minimum shear stress from the top fibre will be at a distance of
- zero
- B/4
- B/2
- B/8
ANSWER: 1
The ratio of maximum to average shear stress in a solid circular section is
- 1.0
- 1.33
- 1.50
- 1.83
ANSWER: 2
A beam 10 m long is simply supported at the ends. It carries a UDL of 10kNm up to a distance of 3 m from either end. The shear force at the centre of the beam is
- 0 kN
- 30 kN
- 10 kN
- 50 kN
ANSWER: 1
Which of the following is a vector quantity?
- energy
- mass
- momentum
- angle
ANSWER: 3
The radius of gyration of circular area of 8 cm radius (in cm) is
- 8
- 4
- 2
- 16
ANSWER: 2
A peizmeter tube is used only for measuring
- low pressure
- high pressure
- moderate pressure
- vaccum pressure
ANSWER: 1 or 3
The pressure of liquid flowing through the divergent portion of the venturimeter
- remains constant
- increases
- decreases
- depends upon mass of liquid
ANSWER: 2
The velocity at which the flow changes from linear to turbulent flow is called
- critical velocity
- velocity of approach
- subsonic velocity
- supersonic velocity
ANSWER: 1
The flow in a pipe, is neither laminar nor turbulent when Reynolds number is
- less than 2000
- between 2000 and 2800
- between 2800 and 4000
- more than 4000
ANSWER: 2 or 3
In centrifugal pumps, maximum efficiency is obtained when t he blades are
- straight
- bent forward
- bent backward
- radial
ANSWER: 3
For pumping viscous oil, which of the following pumps will be used?
- centrifugal
- reciprocating
- fuel
- screw
ANSWER: 4
Multi stage centrifugal pumps are used to obtain
- high discharge
- high head
- high efficiency
- high head and high discharge
ANSWER: 2
In a centrifugal pump casing, the flow water leaving the impeller is
- rectilinear
- radial
- centrifugal
- forced vertex
ANSWER: 1 / 2 / 3 / 4
When the projectors are parallel to each other and also perpendicular to the plane, the projection is called as
- perspective projection
- oblique projection
- isometric projection
- orthographic projection
ANSWER: 4
Projection of a point in the third quadrant will be
- top view above and front view below the X – Y line
- front view above and top view below the X – Y line
- side view above and top view below the X – Y line
- both top view and front view above the X – Y line
ANSWER: 1