18B MORTARS SKILLS
PRACTICE EXAM
Question 1: What are the typical mortar �ring formations?
Choices:
1) Parallel, Lazy W, Diamond, Triangle, 6 mortar star 2) Line, Wedge, Vee, Echelon, Coil 3) Box, Column, Staggered, Herringbone, Star 4) Circle, Square, Linear, O�set, Diamond
Correct Answer: Parallel, Lazy W, Diamond, Triangle, 6 mortar star
Explanation: The standard mortar �ring formations are Parallel, Lazy W, Diamond, Triangle, and the 6-mortar star.Page 1
Question 2: What is the bursting diameter for the 60mm, 81mm, and 120mm HE
rounds, respectively?
Choices:
1) 20m, 30m, 50m 2) 30m, 40m, 70m 3) 40m, 50m, 80m 4) 15m, 25m, 60m
Correct Answer: 30m, 40m, 70m
Explanation: The bursting diameter for a 60mm HE round is 30m; for an 81mm it is 40m; and for a 120mm it is 70m.
Question 3: What are the three occupation techniques for a mortar position?
Choices:
1) Hasty, Deliberate, Emergency 2) Primary, Alternate, Supplementary 3) Covert, Overt, Clandestine 4) Static, Mobile, Bounding
Correct Answer: Hasty, Deliberate, Emergency
Explanation: The three occupation techniques used for emplacing a mortar system are Hasty, Deliberate, and Emergency.Page 2
Question 4: What di�erentiates a hasty occupation from a deliberate occupation?
Choices:
1) The amount of ammunition available 2) The time available to prepare the mortar site 3) The number of personnel assigned to the gun 4) The type of mortar system being used
Correct Answer: The time available to prepare the mortar site
Explanation: The di�erence between hasty and deliberate occupation depends entirely on the time available to prepare the mortar site before �ring.Question 5: Which occupation technique is used when a call for �re is received during tactical movement with no time for site preparation?
Choices:
1) Hasty occupation 2) Deliberate occupation 3) Emergency occupation 4) Suppressive occupation
Correct Answer: Emergency occupation
Explanation: Emergency occupation is executed when a call for �re is received during movement, requiring the squad to halt and �re immediately with no site preparation.Page 3