Q.1.
A square pit, known as _________ with side as about 1.m, is excavated upto a depth at which sufficiently hard soil is available.
- a) Test pits
- b) Probing
- c) Test piles
- d) Deep boring
Q.2.
_________ consists of driving either a hollow tube or a steel rod or an iron rod into the ground.
- a) Trail pits
- b) Test piles
- c) Probing
- d) Digging
Q.3.
The ____________ is the term used to denote a method in which case is driven into the ground and the material inside the casing is washed out and brought to the surface for inspection.
- a) Deep boring
- b) Percussion boring
- c) Rotary drilling
- d) Wash boring
Q.4.
Identify the given diagram below.
- a) Percussion machine
- b) Rotary drilling machine
- c) Electrical resistivity method
- d) Seismogram
Q.5.
The method in which 4 electrons are driven in the ground at equal distance apart and in a straight line upto a depth which the ground distance is to be measured.
- a) Seismic refraction method
- b) Geophysical method
- c) Electrical resistivity method
- d) Current extraction method
Q.6.
The number of blows required to drive the penetrometer into the ground through a distance ofmm is measured which is known as _____________ of the soil.
- a) Standard penetration resistance
- b) Bearing power of soil
- c) Maximum safe bearing capacity
- d) Allowable bearing pressure
Q.7.
The resistance of the soil with depth is measured by means of a tool known as the _______
- a) Seismometer
- b) Potentiometer
- c) Penetrometer
- d) Ammeter
Q.8.
Identify the given diagram below.
- a) Post-hole auger
- b) Screw auger
- c) Shell auger
- d) Rod
Q.9.
The shock waves so produced travel down in the sub soil strata and get reflected after striking a hard rock surface below and recorded by the instrument known as ___________
- a) Microphone
- b) Geophone
- c) Receiver
- d) Sensors
Q.10.
What is the average depth of a Test pit?
- a) 10 m
- b) 2 m
- c) 1.50 m
- d) 15 m