Question 1

Which of the following is the correct molecular formula for hydrobromic acid?

Accepted Answer

A) HBrO 
B) HBr 
C) H?Br 
D) H?OBr 
E) H?O?Br 
A) HBrO 
B) HBr 
C) H?Br 
D) H?OBr 
E) H?O?Br

Question 2

What is the most important consideration when developing high quality field notes?

Accepted Answer

A) Accuracy 
B) Integrity 
C) Legibility 
D) All of the above 
A) Accuracy 
B) Integrity 
C) Legibility 
D) All of the above

Question 3

Use a calculator to find the sine of 46.3°

Accepted Answer

A) 0)013 
B) 0)691 
C) 0)723 
D) 1)00 
A) 0)013 
B) 0)691 
C) 0)723 
D) 1)00

Question 4

Which of the following best describes the term maximum bending moment in a beam?

Accepted Answer

A) Point along the beam that will deflect the furthest from the normal plane 
B) Point at which shear forces change from positive to negative within the beam 
C) Point at which a beam will fail due to bending 
D) All of the above 
A) Point along the beam that will deflect the furthest from the normal plane 
B) Point at which shear forces change from positive to negative within the beam 
C) Point at which a beam will fail due to bending 
D) All of the above

Question 5

Which of the following best represents when footings are appropriate to use?

Accepted Answer

A) Shallow soils are not able to support foundation loads cost-effectively 
B) Foundation loads can be supported by shallow soils 
C) Deep, competent soils or bedrock can support the foundation loads 
D) None of the above 
A) Shallow soils are not able to support foundation loads cost-effectively 
B) Foundation loads can be supported by shallow soils 
C) Deep, competent soils or bedrock can support the foundation loads 
D) None of the above

Question 6

In traverse computations, the sum of angles in closed figures equals which of the following? (Assume n = number of sides)

Accepted Answer

A) (n+2) x 180° 
B) (n+1) x 180° 
C) (n-1) x 180° 
D) (n-2) x 180° 
A) (n+2) x 180° 
B) (n+1) x 180° 
C) (n-1) x 180° 
D) (n-2) x 180°

Question 7

When considering the surface overflow rates of primary settling tanks in a typical municipal wastewater treatment plant, which of the following statements is not correct?

Accepted Answer

A) Sizing should reflect the degree of solids removal necessary 
B) Sizing is based on measured flow conditions 
C) Septic conditions should be avoided during low flow periods 
D) None of the above 
A) Sizing should reflect the degree of solids removal necessary 
B) Sizing is based on measured flow conditions 
C) Septic conditions should be avoided during low flow periods 
D) None of the above

Question 8

What is the difference between an algorithm and a protocol?

Accepted Answer

A) Algorithms say what needs to be done; protocols also say who is responsible for doing it. 
B) Protocols do not necessarily solve problems. 
C) Protocols always involve more than one actor. 
D) Protocols are specifically used in software engineering. 
A) Algorithms say what needs to be done; protocols also say who is responsible for doing it. 
B) Protocols do not necessarily solve problems. 
C) Protocols always involve more than one actor. 
D) Protocols are specifically used in software engineering.

Question 9

The hydraulic radius of a sewer refers to which of the following?

Accepted Answer

A) The diameter 
B) Channel perimeter 
C) One-half the diameter 
D) The ratio of the cross-sectional area of flow to the wetted perimeter 
A) The diameter 
B) Channel perimeter 
C) One-half the diameter 
D) The ratio of the cross-sectional area of flow to the wetted perimeter

Question 10

What activity reduces huge amounts of data to smaller sets of meaningful, usable data?

Accepted Answer

A) Data mining 
B) Data silos 
C) Data warehousing 
D) SQL querying 
A) Data mining 
B) Data silos 
C) Data warehousing 
D) SQL querying

Question 11

What is the value of the given arithmetic expression?323 + 543 x (45.3 + 33.6) / 22 -17

Accepted Answer

A) 2,253.4 
B) 3,088.8 
C) 8,891.5 
D) None of the above 
A) 2,253.4 
B) 3,088.8 
C) 8,891.5 
D) None of the above

Question 12

A 40.0 gram sample of a radioactive element decays to 5.0 grams in 15 hours. What is the half-life of this element?

Accepted Answer

A) 3 hours 
B) 2 hours 
C) 6 hours 
D) 7)5 hours 
E) 5 hours 
A) 3 hours 
B) 2 hours 
C) 6 hours 
D) 7)5 hours 
E) 5 hours

Question 13

What property of a metal refers to its ability to be hammered into sheets?

Accepted Answer

A) Ductility 
B) Thermal conductivity 
C) Electrical conductivity 
D) Malleability 
E) Density 
A) Ductility 
B) Thermal conductivity 
C) Electrical conductivity 
D) Malleability 
E) Density

Question 14

Cross-section measurements were taken at 100 ft intervals along a proposed roadway alignment. The cross-sectional areas of the material above the proposed roadway elevation shown in two consecutive sections were found to be 420 sqft and 332 sq ft. What is the approximate volume (in cubic yards) of the material that will need to be excavated between the two cross-sections?

Accepted Answer

A) 1,393 
B) 12,640 
C) 37,600 
D) None of the above 
A) 1,393 
B) 12,640 
C) 37,600 
D) None of the above

Question 15

Which of the following statements is NOT true?

Accepted Answer

A) Contour lines do not meet, cross, or end, except at vertical cliffs, over hangs, or caves. 
B) Contour lines are drawn so that the ground higher than the contour line is always on the same side of the contour line 
C) Contour lines are parallel to the direction of maximum slope. 
D) The spacing between contour lines is indicative of the steepness of the slope. 
A) Contour lines do not meet, cross, or end, except at vertical cliffs, over hangs, or caves. 
B) Contour lines are drawn so that the ground higher than the contour line is always on the same side of the contour line 
C) Contour lines are parallel to the direction of maximum slope. 
D) The spacing between contour lines is indicative of the steepness of the slope.

Question 16

Which of the following straight-chain hydrocarbons is classified as saturated?

Accepted Answer

A) C2H? 
B) C?H8 
C) C?H6 
D) C5H10 
E) C2H6 
A) C2H? 
B) C?H8 
C) C?H6 
D) C5H10 
E) C2H6

Question 17

Given a triangle with sides a = 20 feet, b = 40 feet, and c = 56, what is the area in square feet?

Accepted Answer

A) 71.67 ft2  
B) 116.00 ft2  
C) 281.68 ft2  
D) None of the above 
A) 71.67 ft2  
B) 116.00 ft2  
C) 281.68 ft2  
D) None of the above

Question 18

Which of the following materials are sampled and tested by an inspector at a construction site?

Accepted Answer

A) Aggregate 
B) Hydraulic cement 
C) Reinforcing steel 
D) Fresh concrete mix 
A) Aggregate 
B) Hydraulic cement 
C) Reinforcing steel 
D) Fresh concrete mix

Question 19

Which of the following metals reacts explosively when placed in water?

Accepted Answer

A) Manganese 
B) Silver 
C) Zinc 
D) Sodium 
E) Chromium 
A) Manganese 
B) Silver 
C) Zinc 
D) Sodium 
E) Chromium

Question 20

Which of the following is considered to be a basic connection types for beams, columns, trusses, and joists?

Accepted Answer

A) Pin 
B) Roller 
C) Fixed 
D) All of the above 
A) Pin 
B) Roller 
C) Fixed 
D) All of the above

Exam 1: Engineering and Science