Deck 6: Bolting Practices

Question 1

Fasteners should always be reused to prevent waste and cut operational cost.

Answer 1

False

Question 2

The term fastener refers to a general group of mechanical joining components such as pins, rivets, screws, studs, and bolts.

Answer 2

True

Question 3

Thread count may be specified in two ways; number of threads per inch (TPI) or the distance between thread peaks (pitch).

Answer 3

True

Question 4

Changes in temperature are not necessary to consider when determining fastener Grade or tension requirements for an application.

Question 5

Terms that may be included on a stress versus strain curve for a ductile metal include: Elastic Limit, Proprotional Limit, and __________.

A) Capacitive Reactance
B) Frequency Modulation
C) Rupture Strength
D) All answers are correct

Question 6

"1/2-13 UNC" would be a standard thread call out for a metric series threaded fastener.

Question 8

The equation that relates elongation of a fastener to the tensile force applied is given by _________.

A) d = Fl/AE
B) P = F/A
C) T = F x d
D) W = F x d

Question 9

The American Society of Mechanical Engineers (ASME) specifies the distance between thread peaks (pitch) as the primary method for thread count with American series fasteners.

Question 10

Fastener tensioning considerations include: material grade, surface finish, and _________.

A) size
B) length
C) color
D) All answers are correct

Question 12

The equation that relates clamping force on a joint to torque, fastener size, and surface finish is ____________.

A) T = F x d
B) T = KDF
C) T = 1/2mv²
D) PV = nrT

Question 13

Hot-dip galvanizing is strickly used as a decorative finish for fasteners and structural components.

Question 14

A rule of thumb when working with power bolting tools is to never place body parts between the reaction arm and reaction point.

Question 15

The Elastic Limit is the maximum strength of a material before it fails.

Question 17

ISO Grade 8.8 has the equivalent strength of an SAE Grade 8 fastener.

Question 19

Organizations that establish standards for fasteners such as thread pitch and strength grades include: ASTM, SAE, and _________.

A) ISO
B) ANSI
C) ASME
D) All answers are correct