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SSC JE 2019-20: Technical Quiz 74

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Question 1

A 450 mm square section friction pile is driven in a deep deposit of uniform clay. If length of pile is 15 m and unconfined compressive strength of 75 kN/m², Ultimate load capacity of pile, take ∝ = 0.8, is

Question 2

Find the net bearing capacity of a clay foundation made at a depth of 1.5 m below the surface having size 1 m

2 m according to the Skempton’s formula. Unconfined compressive strength of the soil is 80 kN/m².

Question 3

According to skempton, foundation is classified as deep foundation if

Question 4

The circulation around a circle of radius 2 units for the velocity field u = 3x+ 4y and v= 4-2y is

Question 5

A geometrically similar model of spillway is constructed to a scale of 1:16. Corresponding to a discharge of 512 cumecs in the prototype, the discharge in the model will be (in cumec)

Question 6

In a steady flow of a compressible fluid through a pipe, the density, area and velocity at a particular section are 1.5kg/m³, 1 m², and 3m/s, respectively. At another section the density and area is 1kg/m³ and 2 m² respectively. What is the velocity at the section?

Question 7

A pressure increase of 250 N/cm² increases the density of water by 0.10%. What is the bulk modulus of elasticity?

Question 8

A 75mm diameter pipe of 1000m length operates under a head 30m at inlet. If a nozzle is fitted at its outlet, then for most efficient conditions the velocity of flow from the nozzle shall be

Question 9

Which among the following is an assumption of Hagen-Poiseuille equation?

Question 10

A 25 cm diameter, 90 ° elbow has one limb vertical. Average velocity of flow of water through the elbow is 5 m/s and the pressure intensity is 5 kPa. The vertical component of force to keep the elbow in position will be

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ESE & GATE CE General

Sep 20ESE & GATE CE