Mortar

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

During reciprocal lay, you must be within how many mils to be laid?

0 mil / 1 mil (mortar laid)

What is the max charge a 60mm mortar can be fired handheld?

1 charge.

What is the minimum range of the 120mm mortar syste WITHOUT danger close considerations?

200m

When boresighting you are using the distant aim point method. What is the ideal distance of the aiming point?

200m

How many modes are on the 60mm firing selector and what are they?

3 modes. Safe, Drop & Trigger Fire.

What is the diameter and depth of an 81mm mortar pit?

3-1/2m wide - 1-1/2m deep

What is the maximum rate of fire for 60mm mortar system?

30 RPM

What are the 3 primary refer deflections?

3200, 2800, 0700

What is the sustained rate of fire for the 120mm mortar system?

4 RPM

How many mils is one complete turn of traverse on the 120mm mortar system?

5 mils

What is the max range of fire for the M4?

500m

When boresighting the 81mm mortar, what deflection is placed on the sight?

6400 / 0000

What is the weight of the M191?

68 lbs

What is the maximum range of the 120mm mortar system?

7200m

What is the blast radius of the 120mm mortar?

75m

What is the weight of the M7A1?

9.2 lbs

What is the most recent manual for Tactical Employment of Mortars?

ATP 3-22.90

What is Direct Lay?

Aiming line of sight of target and adjusting based on round landing.

What are the 81mm safety checks?

Firing pin up, Mask / Overhead clear, Locking collar locked, locking nut on bipod leg, center of traverse.

What 3 pieces of information must be present to fire a polar mission?

Grid/position, Distance, Direction

What is the nomenclature of the boresight used for the 81mm and 120mm mortar system?

M45

What is VI? (those are letters, not roman numerals)

Vertical Interval

What gun is used when adjusting a FPF?

Whichever gun is closest to the FPF.

In a 3 gun section which gun is the adjusting gun and why?

2 Gun. It is in the center.

What is the weight of the M64A1 sight unit?

2.9 lbs

What is the sustained rate of fire for the 60mm mortar system?

20 RPM

What is the weight of the M298?

110 lbs

What is the max range of the 60mm mortar system?

1340m

How many mils will one turn of the traverse move that cannon in the lower saddle?

15 mils

How many mils in 1 degree?

17.7 mils

What form is the DA2399?

Computer Record

What fuze setting should be used when firing MCS?

Delay

What 3 pieces of information must be present to fire a Search and Traverse?

Enemy position / Direction of movement / Description

How often should the tube be swabbed?

Every 10 round / End of the Fire Mission

Once the adjusting gun is adjusted, what does the method of fire change to?

FFE (Fire For Effect)

Deflection is always announced when issuing a firing command. True or False?

False

During misfire procedures, once the cannon passes horizontal, the rear of the cannon must not do what until the round is extracted?

Leaned back down.

What are the 5 types of Sheaves?

Linear, Parallel, Special, Converge, Open.

If time and tactical considerations allow it, what is the first mission to be fired?

Registration

During misfire procedures how does the AB assist in releasing the round from the cartridge extractor?

Releases round from extractor.

What publication covers Mortars?

TC 3-22.90

When a misfire occurs on a 60mm mortar system, what is the next thing that happens?

Trigger Fire.

What is the radioactive gas used to illuminate the mortar sight, M58 and M59?

Tritium

What is the maximum rate of fire for the 60mm mortar system in hand held configuration?

There is none.

What is the purpose of the skunk line on the 120mm mortar system?

To align the bipod.


Set pelajaran terkait

Communication Essentials- Lesson 1 Quiz Review

View Set

Chapter 15: The Crucible of War, 1861-1865

View Set

nervous system 8.6-9 mastering ap

View Set

Chapter 16 molecular basis of inheritance

View Set

Chapter 8: Connecting to and Setting Up a Network

View Set

Topic 11: Energy in Thermal Processes(11.1 - 11.4)

View Set

CSET Multiple Subjects: Subtest 2 (Science)

View Set