HYDRAULICS & GEOTECHNICAL
ENGINEERING 2025/2026 Exam
Questions and Answers | 100% Pass
#1. Which of the following states the law of buoyancy? - 🧠ANSWER ✔✔-
Archimedes
#2. A flow in which the velocity of the fluid at a particular fixed point does
not change with times. - 🧠ANSWER ✔✔-steady flow
#3. Which component of rock or soil is independent of interparticle friction?
- 🧠ANSWER ✔✔-cohesion
#4. A phenomenon in which the strength and stiffness of a soil is reduced
by earthquake shaking or other rapid loading? - 🧠ANSWER ✔✔-liquefaction
#5. A pile of sand keeps from spreading out like a fluid because the weight
of the sand keeps the grains stuck together in their current arrangement,
mostly out of static friction. This weight and pressure are called? -
🧠ANSWER ✔✔-effective stress
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, #6. Which of the following is a soil component? - 🧠ANSWER ✔✔-
minerals,organic materials,water,air (gas)
#7. A practice or procedure used to assess the particle size distribution
(also called gradation) of a granular material. The size distribution is often
of critical importance to the way the material performs in use. - 🧠ANSWER
✔✔-sieve analysis
#8. According to USCS, what do you call a soil grain size greater than 4.75
mm but less than 75 mm? - 🧠ANSWER ✔✔-gravel∶particles of rock that will
pass a 3 inch (75mm) sieve and be retained on a No.4 (4.75mm)
coarse∶ - 🧠ANSWER ✔✔passes 3 inch (75mm) sieve and retained on 3/4
inch (19mm) sieve
fine∶ - 🧠ANSWER ✔✔passes 3/4 inch (19mm) sieve and retained on No.4
(4.75mm) sieve
boulders∶ - 🧠ANSWER ✔✔particles of rock that will not pass a 12 inch
(300mm) square opening
cobble∶ - 🧠ANSWER ✔✔particles of rock that will pass a 12 inch (300mm)
square opening and be retained on a 3 inch (75mm)
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
ENGINEERING 2025/2026 Exam
Questions and Answers | 100% Pass
#1. Which of the following states the law of buoyancy? - 🧠ANSWER ✔✔-
Archimedes
#2. A flow in which the velocity of the fluid at a particular fixed point does
not change with times. - 🧠ANSWER ✔✔-steady flow
#3. Which component of rock or soil is independent of interparticle friction?
- 🧠ANSWER ✔✔-cohesion
#4. A phenomenon in which the strength and stiffness of a soil is reduced
by earthquake shaking or other rapid loading? - 🧠ANSWER ✔✔-liquefaction
#5. A pile of sand keeps from spreading out like a fluid because the weight
of the sand keeps the grains stuck together in their current arrangement,
mostly out of static friction. This weight and pressure are called? -
🧠ANSWER ✔✔-effective stress
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, #6. Which of the following is a soil component? - 🧠ANSWER ✔✔-
minerals,organic materials,water,air (gas)
#7. A practice or procedure used to assess the particle size distribution
(also called gradation) of a granular material. The size distribution is often
of critical importance to the way the material performs in use. - 🧠ANSWER
✔✔-sieve analysis
#8. According to USCS, what do you call a soil grain size greater than 4.75
mm but less than 75 mm? - 🧠ANSWER ✔✔-gravel∶particles of rock that will
pass a 3 inch (75mm) sieve and be retained on a No.4 (4.75mm)
coarse∶ - 🧠ANSWER ✔✔passes 3 inch (75mm) sieve and retained on 3/4
inch (19mm) sieve
fine∶ - 🧠ANSWER ✔✔passes 3/4 inch (19mm) sieve and retained on No.4
(4.75mm) sieve
boulders∶ - 🧠ANSWER ✔✔particles of rock that will not pass a 12 inch
(300mm) square opening
cobble∶ - 🧠ANSWER ✔✔particles of rock that will pass a 12 inch (300mm)
square opening and be retained on a 3 inch (75mm)
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
