Q.1
The process of rolling, folding and spreading of the particle is known as the __________ of concrete.
  • a) Curing
  • b) Mixing
  • c) Grouting
  • d) Watering
Q.2
For _______ mixing, the materials are stacked on watertight platform, which may be either of wood, Brick or steel.
  • a) Machine
  • b) Roller
  • c) Hand
  • d) Mixer
Q.3
For ________ mixing, all the material of concrete including water, are collected in a revolving drum and drummer is rotated for a certain period.
  • a) Drum
  • b) Hand
  • c) Roller
  • d) Machine
Q.4
For ordinary building works, the ___________ is formed and the concrete is conveyed in pans from hand to hand.
  • a) Conveyor belt
  • b) Bucket
  • c) Human ladder
  • d) Pump
Q.5
The term ________ of concrete is used to mean the compaction between aggregate and aggregate; between aggregate and reinforcement and between aggregate and forms.
  • a) Consolidation
  • b) Hardening
  • c) Compaction
  • d) Curing
Q.6
The ________ are the gaps between two individual particles.
  • a) Spaces
  • b) Voids
  • c) Pores
  • d) Bubbles
Q.7
Form unimportant works, the consolidation of concrete is carried out by ___________ method which include Ramming, tamping, spading and slicing with suitable tools.
  • a) Machine
  • b) Roller
  • c) Vibrator
  • d) Hand
Q.8
_________ vibrators consists of the Steel Tube which is inserted in fresh concrete.
  • a) Surface vibrators
  • b) Internal vibrators
  • c) Vibrating table
  • d) Shutter vibrators
Q.9
_________ vibrators are mounted on platforms or screeds.
  • a) Form vibrators
  • b) Surface vibrators
  • c) Shutter vibrators
  • d) Immersion vibrators
Q.10
__________ vibrators are attached to the form work and the external centring of walls, column, etc.
  • a) Shutter vibrators
  • b) Surface vibrators
  • c) Internal vibrators
  • d) Immersion vibrators
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