Kerala PSC Overseer Paper 2015
Granite is an example of _________type of rocks.
(a) Igneous rocks
(b) Sedimentary rocks
(c) Metamorphic rocks
(d) None of these
The main reason for using stones in building works is its
(a) Good appearance
(b) Resistance to fire
(c) Low water absorption
(d) Durability
In the manufacture of bricks, a pug mill is used for
(a) Proportioning of ingredients
(b) Tempering
(c) Blending
(d) Digging
The initial setting time of ordinary cement should be less than
(a) 10 minutes
(b) 1 hour
(c) 10 hours
(d) 30 minutes
The age of tree can be determined approximately form the
(a) Medullary rays
(b) Hard wood
(c) Size of the trunk
(d) Annual rings
It is a moulding provided under nosing to beautify the elevation of the step
(a) Scotia
(b) Flier
(c) Line of nosing
(d) Winders
___________ is the surface of the abutement on whcih the arch rests.
(a) Keystone
(b) Voussoirs
(c) Skewback
(d) Springing stone
A window projecting outward from the walls of a room is termed as a __________
(a) Bay window
(b) Corner window
(c) Dormer window
(d) Gable window
The lower edge of the inclined roof surface of a pitched roof is termed as _________
(a) valley
(b) eaves
(c) ridge
(d) hip
A fixed point of reference of known elevation is called
(a) change point
(b) station point
(c) bench mark
(d) datum
An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called
(a) Axis of telescope
(b) Axis of level tube
(c) Level line
(d) Line of collimation
An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called
(a) Axis of telescope
(b) Axis of level tube
(c) Level line
(d) Line of collimation
The collimation method for obtaining the reduced levels of points does not provide a check on
(a) foresight
(b) back sight
(c) change point
(d) itnermediate point
The method of surveying in which field work and plotting work are done simultaneously, is called
(a) Compass surveying
(b) Levelling
(c) Plane tabling
(d) Chain surveying
It is the property of a material due to which it can undergo permanent deformation without failure
(a) Plasticity
(b) Stiffness
(c) formability
(d) toughness
Pick up the WRONG statement
(a) Two stroke engine can run in any direction
(b) In four stroke engine, a power stroke is obtained in four storkes
(c) Thermal efficiency of four storke engine is more due to positive scavenging.
(d) Petrol engines occupy more space than diesel engines for same power output.
Diesel engine can work on very lean air fuel ratio of the order of 31:1. A petrol engine can also work on such a lean ratio provided
(a) It is properly designed
(b) best quality fuel is used
(c) cannot work as it is impossible
(d) fly wheel size is proper
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